diff --git a/polkadot/cli/build.rs b/polkadot/cli/build.rs
index 6eda5fb943..018ea752a0 100644
--- a/polkadot/cli/build.rs
+++ b/polkadot/cli/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/cli/src/cli.rs b/polkadot/cli/src/cli.rs
index c78399788a..b775bb6b77 100644
--- a/polkadot/cli/src/cli.rs
+++ b/polkadot/cli/src/cli.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/cli/src/command.rs b/polkadot/cli/src/command.rs
index e6eaf6f095..2f0bc9e2f8 100644
--- a/polkadot/cli/src/command.rs
+++ b/polkadot/cli/src/command.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/cli/src/error.rs b/polkadot/cli/src/error.rs
index e125998c47..a4591e2508 100644
--- a/polkadot/cli/src/error.rs
+++ b/polkadot/cli/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/cli/src/host_perf_check.rs b/polkadot/cli/src/host_perf_check.rs
index 722deab745..1225c4708a 100644
--- a/polkadot/cli/src/host_perf_check.rs
+++ b/polkadot/cli/src/host_perf_check.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/cli/src/lib.rs b/polkadot/cli/src/lib.rs
index b31cf5dca8..8a859c1b2b 100644
--- a/polkadot/cli/src/lib.rs
+++ b/polkadot/cli/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/core-primitives/src/lib.rs b/polkadot/core-primitives/src/lib.rs
index ca4d2372db..5e06966ecf 100644
--- a/polkadot/core-primitives/src/lib.rs
+++ b/polkadot/core-primitives/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/erasure-coding/benches/scaling_with_validators.rs b/polkadot/erasure-coding/benches/scaling_with_validators.rs
index 35eff095d2..759385bbde 100644
--- a/polkadot/erasure-coding/benches/scaling_with_validators.rs
+++ b/polkadot/erasure-coding/benches/scaling_with_validators.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/erasure-coding/fuzzer/src/reconstruct.rs b/polkadot/erasure-coding/fuzzer/src/reconstruct.rs
index a388a55857..f6a95a9d3e 100644
--- a/polkadot/erasure-coding/fuzzer/src/reconstruct.rs
+++ b/polkadot/erasure-coding/fuzzer/src/reconstruct.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/erasure-coding/fuzzer/src/round_trip.rs b/polkadot/erasure-coding/fuzzer/src/round_trip.rs
index 0d4507c98e..e1be4c49e2 100644
--- a/polkadot/erasure-coding/fuzzer/src/round_trip.rs
+++ b/polkadot/erasure-coding/fuzzer/src/round_trip.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/erasure-coding/src/lib.rs b/polkadot/erasure-coding/src/lib.rs
index 50c9ca64e0..36847b4637 100644
--- a/polkadot/erasure-coding/src/lib.rs
+++ b/polkadot/erasure-coding/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2018-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/file_header.txt b/polkadot/file_header.txt
index bae07bb7ec..47483d33a4 100644
--- a/polkadot/file_header.txt
+++ b/polkadot/file_header.txt
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
@@ -12,4 +12,4 @@
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
-// along with Polkadot. If not, see .
\ No newline at end of file
+// along with Polkadot. If not, see .
diff --git a/polkadot/node/client/src/benchmarking.rs b/polkadot/node/client/src/benchmarking.rs
index 7ed9bcee50..69927c11a9 100644
--- a/polkadot/node/client/src/benchmarking.rs
+++ b/polkadot/node/client/src/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/client/src/lib.rs b/polkadot/node/client/src/lib.rs
index 466bfef61e..1ef0e7f6c0 100644
--- a/polkadot/node/client/src/lib.rs
+++ b/polkadot/node/client/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/collation-generation/src/error.rs b/polkadot/node/collation-generation/src/error.rs
index 44b08c473f..ac5db6cd7f 100644
--- a/polkadot/node/collation-generation/src/error.rs
+++ b/polkadot/node/collation-generation/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/collation-generation/src/lib.rs b/polkadot/node/collation-generation/src/lib.rs
index b3d728f70a..79ef490f50 100644
--- a/polkadot/node/collation-generation/src/lib.rs
+++ b/polkadot/node/collation-generation/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/collation-generation/src/metrics.rs b/polkadot/node/collation-generation/src/metrics.rs
index 008d8be0ad..cb9e4a0c8e 100644
--- a/polkadot/node/collation-generation/src/metrics.rs
+++ b/polkadot/node/collation-generation/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/collation-generation/src/tests.rs b/polkadot/node/collation-generation/src/tests.rs
index 9640f07b80..b2534bcf36 100644
--- a/polkadot/node/collation-generation/src/tests.rs
+++ b/polkadot/node/collation-generation/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/approval_checking.rs b/polkadot/node/core/approval-voting/src/approval_checking.rs
index aba03ed1ce..bfecdba73f 100644
--- a/polkadot/node/core/approval-voting/src/approval_checking.rs
+++ b/polkadot/node/core/approval-voting/src/approval_checking.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/approval_db/mod.rs b/polkadot/node/core/approval-voting/src/approval_db/mod.rs
index 8ea9b80e60..f0ace95613 100644
--- a/polkadot/node/core/approval-voting/src/approval_db/mod.rs
+++ b/polkadot/node/core/approval-voting/src/approval_db/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/approval_db/v1/mod.rs b/polkadot/node/core/approval-voting/src/approval_db/v1/mod.rs
index a761b7f20e..d2a13ad545 100644
--- a/polkadot/node/core/approval-voting/src/approval_db/v1/mod.rs
+++ b/polkadot/node/core/approval-voting/src/approval_db/v1/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/approval_db/v1/tests.rs b/polkadot/node/core/approval-voting/src/approval_db/v1/tests.rs
index 5b6602882e..8bd3767b2e 100644
--- a/polkadot/node/core/approval-voting/src/approval_db/v1/tests.rs
+++ b/polkadot/node/core/approval-voting/src/approval_db/v1/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/backend.rs b/polkadot/node/core/approval-voting/src/backend.rs
index 3fb90fabe5..87d67c52c4 100644
--- a/polkadot/node/core/approval-voting/src/backend.rs
+++ b/polkadot/node/core/approval-voting/src/backend.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/criteria.rs b/polkadot/node/core/approval-voting/src/criteria.rs
index 3b76941fde..e79703cf64 100644
--- a/polkadot/node/core/approval-voting/src/criteria.rs
+++ b/polkadot/node/core/approval-voting/src/criteria.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/import.rs b/polkadot/node/core/approval-voting/src/import.rs
index 8e8ad818fe..f34642d80c 100644
--- a/polkadot/node/core/approval-voting/src/import.rs
+++ b/polkadot/node/core/approval-voting/src/import.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/lib.rs b/polkadot/node/core/approval-voting/src/lib.rs
index a26ea4e59d..5e70ed13b4 100644
--- a/polkadot/node/core/approval-voting/src/lib.rs
+++ b/polkadot/node/core/approval-voting/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/ops.rs b/polkadot/node/core/approval-voting/src/ops.rs
index 37f564c34f..1336d8bf4d 100644
--- a/polkadot/node/core/approval-voting/src/ops.rs
+++ b/polkadot/node/core/approval-voting/src/ops.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/persisted_entries.rs b/polkadot/node/core/approval-voting/src/persisted_entries.rs
index 1df0ff91c1..9b65922202 100644
--- a/polkadot/node/core/approval-voting/src/persisted_entries.rs
+++ b/polkadot/node/core/approval-voting/src/persisted_entries.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/tests.rs b/polkadot/node/core/approval-voting/src/tests.rs
index 3f5297e602..c49f324ada 100644
--- a/polkadot/node/core/approval-voting/src/tests.rs
+++ b/polkadot/node/core/approval-voting/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/approval-voting/src/time.rs b/polkadot/node/core/approval-voting/src/time.rs
index 2d1230749a..34132dc22b 100644
--- a/polkadot/node/core/approval-voting/src/time.rs
+++ b/polkadot/node/core/approval-voting/src/time.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/av-store/src/lib.rs b/polkadot/node/core/av-store/src/lib.rs
index d43dc0657d..4a6d1d464d 100644
--- a/polkadot/node/core/av-store/src/lib.rs
+++ b/polkadot/node/core/av-store/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/av-store/src/metrics.rs b/polkadot/node/core/av-store/src/metrics.rs
index fedeb2b7d0..bd85b81c8b 100644
--- a/polkadot/node/core/av-store/src/metrics.rs
+++ b/polkadot/node/core/av-store/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/av-store/src/tests.rs b/polkadot/node/core/av-store/src/tests.rs
index e26a350748..f3ffc7a80e 100644
--- a/polkadot/node/core/av-store/src/tests.rs
+++ b/polkadot/node/core/av-store/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/backing/src/error.rs b/polkadot/node/core/backing/src/error.rs
index bbe89c0afc..d937dd6752 100644
--- a/polkadot/node/core/backing/src/error.rs
+++ b/polkadot/node/core/backing/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/backing/src/lib.rs b/polkadot/node/core/backing/src/lib.rs
index 078eb1d8d6..ef56048265 100644
--- a/polkadot/node/core/backing/src/lib.rs
+++ b/polkadot/node/core/backing/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/backing/src/metrics.rs b/polkadot/node/core/backing/src/metrics.rs
index 742d47a0ac..8468ea0054 100644
--- a/polkadot/node/core/backing/src/metrics.rs
+++ b/polkadot/node/core/backing/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/backing/src/tests.rs b/polkadot/node/core/backing/src/tests.rs
index 47734fd28a..35c83297fa 100644
--- a/polkadot/node/core/backing/src/tests.rs
+++ b/polkadot/node/core/backing/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/bitfield-signing/src/lib.rs b/polkadot/node/core/bitfield-signing/src/lib.rs
index f02467d7f2..1e4d556de7 100644
--- a/polkadot/node/core/bitfield-signing/src/lib.rs
+++ b/polkadot/node/core/bitfield-signing/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/bitfield-signing/src/metrics.rs b/polkadot/node/core/bitfield-signing/src/metrics.rs
index 571a0c335b..ec66af82e5 100644
--- a/polkadot/node/core/bitfield-signing/src/metrics.rs
+++ b/polkadot/node/core/bitfield-signing/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/bitfield-signing/src/tests.rs b/polkadot/node/core/bitfield-signing/src/tests.rs
index 99b8c4f22b..106ecc06b1 100644
--- a/polkadot/node/core/bitfield-signing/src/tests.rs
+++ b/polkadot/node/core/bitfield-signing/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/candidate-validation/src/lib.rs b/polkadot/node/core/candidate-validation/src/lib.rs
index 7d3fa964ee..dce589e4c7 100644
--- a/polkadot/node/core/candidate-validation/src/lib.rs
+++ b/polkadot/node/core/candidate-validation/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/candidate-validation/src/metrics.rs b/polkadot/node/core/candidate-validation/src/metrics.rs
index f20d70a855..025e5413e7 100644
--- a/polkadot/node/core/candidate-validation/src/metrics.rs
+++ b/polkadot/node/core/candidate-validation/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/candidate-validation/src/tests.rs b/polkadot/node/core/candidate-validation/src/tests.rs
index 9e920f0e97..4f0ebf037e 100644
--- a/polkadot/node/core/candidate-validation/src/tests.rs
+++ b/polkadot/node/core/candidate-validation/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/chain-api/src/lib.rs b/polkadot/node/core/chain-api/src/lib.rs
index 012c867f3b..9b25481d71 100644
--- a/polkadot/node/core/chain-api/src/lib.rs
+++ b/polkadot/node/core/chain-api/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/chain-api/src/metrics.rs b/polkadot/node/core/chain-api/src/metrics.rs
index 34c258b845..2cf8d2b684 100644
--- a/polkadot/node/core/chain-api/src/metrics.rs
+++ b/polkadot/node/core/chain-api/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/chain-api/src/tests.rs b/polkadot/node/core/chain-api/src/tests.rs
index 9289805cc8..331a4f9ba8 100644
--- a/polkadot/node/core/chain-api/src/tests.rs
+++ b/polkadot/node/core/chain-api/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/chain-selection/src/backend.rs b/polkadot/node/core/chain-selection/src/backend.rs
index 3b21e9ea99..71fa55ac65 100644
--- a/polkadot/node/core/chain-selection/src/backend.rs
+++ b/polkadot/node/core/chain-selection/src/backend.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/chain-selection/src/db_backend/mod.rs b/polkadot/node/core/chain-selection/src/db_backend/mod.rs
index 66e61426b7..f7baf9d3da 100644
--- a/polkadot/node/core/chain-selection/src/db_backend/mod.rs
+++ b/polkadot/node/core/chain-selection/src/db_backend/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/chain-selection/src/db_backend/v1.rs b/polkadot/node/core/chain-selection/src/db_backend/v1.rs
index 64c4e37b15..7c7144bb76 100644
--- a/polkadot/node/core/chain-selection/src/db_backend/v1.rs
+++ b/polkadot/node/core/chain-selection/src/db_backend/v1.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/chain-selection/src/lib.rs b/polkadot/node/core/chain-selection/src/lib.rs
index 529b297a4d..4b512347da 100644
--- a/polkadot/node/core/chain-selection/src/lib.rs
+++ b/polkadot/node/core/chain-selection/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/chain-selection/src/tests.rs b/polkadot/node/core/chain-selection/src/tests.rs
index 3104d16ded..8b475bd2e1 100644
--- a/polkadot/node/core/chain-selection/src/tests.rs
+++ b/polkadot/node/core/chain-selection/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/chain-selection/src/tree.rs b/polkadot/node/core/chain-selection/src/tree.rs
index b714cee291..b4aba30368 100644
--- a/polkadot/node/core/chain-selection/src/tree.rs
+++ b/polkadot/node/core/chain-selection/src/tree.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/backend.rs b/polkadot/node/core/dispute-coordinator/src/backend.rs
index d49ace4925..cf0bdd4043 100644
--- a/polkadot/node/core/dispute-coordinator/src/backend.rs
+++ b/polkadot/node/core/dispute-coordinator/src/backend.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/db/mod.rs b/polkadot/node/core/dispute-coordinator/src/db/mod.rs
index 9b79bd5bc7..87102c5a3c 100644
--- a/polkadot/node/core/dispute-coordinator/src/db/mod.rs
+++ b/polkadot/node/core/dispute-coordinator/src/db/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/db/v1.rs b/polkadot/node/core/dispute-coordinator/src/db/v1.rs
index c0f3c9925f..aa67781ddd 100644
--- a/polkadot/node/core/dispute-coordinator/src/db/v1.rs
+++ b/polkadot/node/core/dispute-coordinator/src/db/v1.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/error.rs b/polkadot/node/core/dispute-coordinator/src/error.rs
index 7a059b8861..662db12ab6 100644
--- a/polkadot/node/core/dispute-coordinator/src/error.rs
+++ b/polkadot/node/core/dispute-coordinator/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/import.rs b/polkadot/node/core/dispute-coordinator/src/import.rs
index 4f6edc5fce..1787b9fd0c 100644
--- a/polkadot/node/core/dispute-coordinator/src/import.rs
+++ b/polkadot/node/core/dispute-coordinator/src/import.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/initialized.rs b/polkadot/node/core/dispute-coordinator/src/initialized.rs
index f1e6d516d6..e050de0cda 100644
--- a/polkadot/node/core/dispute-coordinator/src/initialized.rs
+++ b/polkadot/node/core/dispute-coordinator/src/initialized.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/lib.rs b/polkadot/node/core/dispute-coordinator/src/lib.rs
index d82c3a06c6..6ad7b13517 100644
--- a/polkadot/node/core/dispute-coordinator/src/lib.rs
+++ b/polkadot/node/core/dispute-coordinator/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/metrics.rs b/polkadot/node/core/dispute-coordinator/src/metrics.rs
index 977f5cc700..7c13614ff8 100644
--- a/polkadot/node/core/dispute-coordinator/src/metrics.rs
+++ b/polkadot/node/core/dispute-coordinator/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/participation/mod.rs b/polkadot/node/core/dispute-coordinator/src/participation/mod.rs
index a4000e626a..b6a41bcff9 100644
--- a/polkadot/node/core/dispute-coordinator/src/participation/mod.rs
+++ b/polkadot/node/core/dispute-coordinator/src/participation/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/participation/queues/mod.rs b/polkadot/node/core/dispute-coordinator/src/participation/queues/mod.rs
index 01950973e0..4d8ee585ea 100644
--- a/polkadot/node/core/dispute-coordinator/src/participation/queues/mod.rs
+++ b/polkadot/node/core/dispute-coordinator/src/participation/queues/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/participation/queues/tests.rs b/polkadot/node/core/dispute-coordinator/src/participation/queues/tests.rs
index e4ccd0de8d..ec549d1f51 100644
--- a/polkadot/node/core/dispute-coordinator/src/participation/queues/tests.rs
+++ b/polkadot/node/core/dispute-coordinator/src/participation/queues/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/participation/tests.rs b/polkadot/node/core/dispute-coordinator/src/participation/tests.rs
index a5fbe2d6a5..ab58db4e76 100644
--- a/polkadot/node/core/dispute-coordinator/src/participation/tests.rs
+++ b/polkadot/node/core/dispute-coordinator/src/participation/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/scraping/candidates.rs b/polkadot/node/core/dispute-coordinator/src/scraping/candidates.rs
index c84abc59c2..89323907a7 100644
--- a/polkadot/node/core/dispute-coordinator/src/scraping/candidates.rs
+++ b/polkadot/node/core/dispute-coordinator/src/scraping/candidates.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/scraping/mod.rs b/polkadot/node/core/dispute-coordinator/src/scraping/mod.rs
index 554f79bd0b..2d2096f626 100644
--- a/polkadot/node/core/dispute-coordinator/src/scraping/mod.rs
+++ b/polkadot/node/core/dispute-coordinator/src/scraping/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/scraping/tests.rs b/polkadot/node/core/dispute-coordinator/src/scraping/tests.rs
index da76a93b73..55726b3f27 100644
--- a/polkadot/node/core/dispute-coordinator/src/scraping/tests.rs
+++ b/polkadot/node/core/dispute-coordinator/src/scraping/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/spam_slots.rs b/polkadot/node/core/dispute-coordinator/src/spam_slots.rs
index cdb9e6fb0b..fd2f65b1bc 100644
--- a/polkadot/node/core/dispute-coordinator/src/spam_slots.rs
+++ b/polkadot/node/core/dispute-coordinator/src/spam_slots.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/status.rs b/polkadot/node/core/dispute-coordinator/src/status.rs
index a74a02f2b0..557d1dacca 100644
--- a/polkadot/node/core/dispute-coordinator/src/status.rs
+++ b/polkadot/node/core/dispute-coordinator/src/status.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/dispute-coordinator/src/tests.rs b/polkadot/node/core/dispute-coordinator/src/tests.rs
index 8d72ed7910..1792075e19 100644
--- a/polkadot/node/core/dispute-coordinator/src/tests.rs
+++ b/polkadot/node/core/dispute-coordinator/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/parachains-inherent/src/lib.rs b/polkadot/node/core/parachains-inherent/src/lib.rs
index 2df6b3de8a..f27481ee5a 100644
--- a/polkadot/node/core/parachains-inherent/src/lib.rs
+++ b/polkadot/node/core/parachains-inherent/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/provisioner/src/disputes/mod.rs b/polkadot/node/core/provisioner/src/disputes/mod.rs
index e5649e7b6c..4fcfa5b330 100644
--- a/polkadot/node/core/provisioner/src/disputes/mod.rs
+++ b/polkadot/node/core/provisioner/src/disputes/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/provisioner/src/disputes/prioritized_selection/mod.rs b/polkadot/node/core/provisioner/src/disputes/prioritized_selection/mod.rs
index 630fd33855..5c8aaad422 100644
--- a/polkadot/node/core/provisioner/src/disputes/prioritized_selection/mod.rs
+++ b/polkadot/node/core/provisioner/src/disputes/prioritized_selection/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/provisioner/src/disputes/prioritized_selection/tests.rs b/polkadot/node/core/provisioner/src/disputes/prioritized_selection/tests.rs
index 96b509a590..4ae67e3b79 100644
--- a/polkadot/node/core/provisioner/src/disputes/prioritized_selection/tests.rs
+++ b/polkadot/node/core/provisioner/src/disputes/prioritized_selection/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/provisioner/src/disputes/random_selection/mod.rs b/polkadot/node/core/provisioner/src/disputes/random_selection/mod.rs
index e08ee4c109..06d4ef34b6 100644
--- a/polkadot/node/core/provisioner/src/disputes/random_selection/mod.rs
+++ b/polkadot/node/core/provisioner/src/disputes/random_selection/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/provisioner/src/error.rs b/polkadot/node/core/provisioner/src/error.rs
index c049a326a7..0f17479958 100644
--- a/polkadot/node/core/provisioner/src/error.rs
+++ b/polkadot/node/core/provisioner/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/provisioner/src/lib.rs b/polkadot/node/core/provisioner/src/lib.rs
index 0c9853e901..50254ce9be 100644
--- a/polkadot/node/core/provisioner/src/lib.rs
+++ b/polkadot/node/core/provisioner/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/provisioner/src/metrics.rs b/polkadot/node/core/provisioner/src/metrics.rs
index f4f6834702..747b39f3da 100644
--- a/polkadot/node/core/provisioner/src/metrics.rs
+++ b/polkadot/node/core/provisioner/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/provisioner/src/tests.rs b/polkadot/node/core/provisioner/src/tests.rs
index a15608305a..e8692df854 100644
--- a/polkadot/node/core/provisioner/src/tests.rs
+++ b/polkadot/node/core/provisioner/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf-checker/src/interest_view.rs b/polkadot/node/core/pvf-checker/src/interest_view.rs
index 2d537388aa..05a6f12de5 100644
--- a/polkadot/node/core/pvf-checker/src/interest_view.rs
+++ b/polkadot/node/core/pvf-checker/src/interest_view.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf-checker/src/lib.rs b/polkadot/node/core/pvf-checker/src/lib.rs
index 60b886426b..222e85e365 100644
--- a/polkadot/node/core/pvf-checker/src/lib.rs
+++ b/polkadot/node/core/pvf-checker/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf-checker/src/metrics.rs b/polkadot/node/core/pvf-checker/src/metrics.rs
index 7241e9f14d..374396b3b6 100644
--- a/polkadot/node/core/pvf-checker/src/metrics.rs
+++ b/polkadot/node/core/pvf-checker/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf-checker/src/runtime_api.rs b/polkadot/node/core/pvf-checker/src/runtime_api.rs
index b42f5943af..ded991e0a4 100644
--- a/polkadot/node/core/pvf-checker/src/runtime_api.rs
+++ b/polkadot/node/core/pvf-checker/src/runtime_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf-checker/src/tests.rs b/polkadot/node/core/pvf-checker/src/tests.rs
index b06285facc..46e7609361 100644
--- a/polkadot/node/core/pvf-checker/src/tests.rs
+++ b/polkadot/node/core/pvf-checker/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/bin/puppet_worker.rs b/polkadot/node/core/pvf/bin/puppet_worker.rs
index 4b026e96a8..7f93519d84 100644
--- a/polkadot/node/core/pvf/bin/puppet_worker.rs
+++ b/polkadot/node/core/pvf/bin/puppet_worker.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/build.rs b/polkadot/node/core/pvf/build.rs
index 805fa3446f..40e9f83258 100644
--- a/polkadot/node/core/pvf/build.rs
+++ b/polkadot/node/core/pvf/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/artifacts.rs b/polkadot/node/core/pvf/src/artifacts.rs
index 760e7ed46a..0c6146ec8a 100644
--- a/polkadot/node/core/pvf/src/artifacts.rs
+++ b/polkadot/node/core/pvf/src/artifacts.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/error.rs b/polkadot/node/core/pvf/src/error.rs
index adcc6b7b1b..662fcc22cd 100644
--- a/polkadot/node/core/pvf/src/error.rs
+++ b/polkadot/node/core/pvf/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/execute/mod.rs b/polkadot/node/core/pvf/src/execute/mod.rs
index bc7f035a8b..e863b4e24e 100644
--- a/polkadot/node/core/pvf/src/execute/mod.rs
+++ b/polkadot/node/core/pvf/src/execute/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/execute/queue.rs b/polkadot/node/core/pvf/src/execute/queue.rs
index af9c0d8672..3e977cfa4c 100644
--- a/polkadot/node/core/pvf/src/execute/queue.rs
+++ b/polkadot/node/core/pvf/src/execute/queue.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/execute/worker.rs b/polkadot/node/core/pvf/src/execute/worker.rs
index 6627337c21..c30ebceae6 100644
--- a/polkadot/node/core/pvf/src/execute/worker.rs
+++ b/polkadot/node/core/pvf/src/execute/worker.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/executor_intf.rs b/polkadot/node/core/pvf/src/executor_intf.rs
index 1092e97c5e..54bf6fd6bc 100644
--- a/polkadot/node/core/pvf/src/executor_intf.rs
+++ b/polkadot/node/core/pvf/src/executor_intf.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/host.rs b/polkadot/node/core/pvf/src/host.rs
index eeb0936e89..31a0266145 100644
--- a/polkadot/node/core/pvf/src/host.rs
+++ b/polkadot/node/core/pvf/src/host.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/lib.rs b/polkadot/node/core/pvf/src/lib.rs
index 8c40bbb8b9..8b6f2ddb26 100644
--- a/polkadot/node/core/pvf/src/lib.rs
+++ b/polkadot/node/core/pvf/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/metrics.rs b/polkadot/node/core/pvf/src/metrics.rs
index 72e6d01e7a..12bcd9eada 100644
--- a/polkadot/node/core/pvf/src/metrics.rs
+++ b/polkadot/node/core/pvf/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/prepare/memory_stats.rs b/polkadot/node/core/pvf/src/prepare/memory_stats.rs
index 0e27fac208..069ef46cab 100644
--- a/polkadot/node/core/pvf/src/prepare/memory_stats.rs
+++ b/polkadot/node/core/pvf/src/prepare/memory_stats.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/prepare/mod.rs b/polkadot/node/core/pvf/src/prepare/mod.rs
index bac212e514..d8d036a822 100644
--- a/polkadot/node/core/pvf/src/prepare/mod.rs
+++ b/polkadot/node/core/pvf/src/prepare/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/prepare/pool.rs b/polkadot/node/core/pvf/src/prepare/pool.rs
index 8587fcb1a6..f8435a4034 100644
--- a/polkadot/node/core/pvf/src/prepare/pool.rs
+++ b/polkadot/node/core/pvf/src/prepare/pool.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/prepare/queue.rs b/polkadot/node/core/pvf/src/prepare/queue.rs
index 38db463a33..20ee95a435 100644
--- a/polkadot/node/core/pvf/src/prepare/queue.rs
+++ b/polkadot/node/core/pvf/src/prepare/queue.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/prepare/worker.rs b/polkadot/node/core/pvf/src/prepare/worker.rs
index 43926e6b64..3b2ae211e6 100644
--- a/polkadot/node/core/pvf/src/prepare/worker.rs
+++ b/polkadot/node/core/pvf/src/prepare/worker.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/priority.rs b/polkadot/node/core/pvf/src/priority.rs
index b80c919583..d4bd49eaee 100644
--- a/polkadot/node/core/pvf/src/priority.rs
+++ b/polkadot/node/core/pvf/src/priority.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/pvf.rs b/polkadot/node/core/pvf/src/pvf.rs
index 7e7aa6be52..ad2dc5fcd9 100644
--- a/polkadot/node/core/pvf/src/pvf.rs
+++ b/polkadot/node/core/pvf/src/pvf.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/testing.rs b/polkadot/node/core/pvf/src/testing.rs
index 9ff6d5a15e..fb1b406cda 100644
--- a/polkadot/node/core/pvf/src/testing.rs
+++ b/polkadot/node/core/pvf/src/testing.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/src/worker_common.rs b/polkadot/node/core/pvf/src/worker_common.rs
index a7d5d90145..3caee34a5d 100644
--- a/polkadot/node/core/pvf/src/worker_common.rs
+++ b/polkadot/node/core/pvf/src/worker_common.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/tests/it/adder.rs b/polkadot/node/core/pvf/tests/it/adder.rs
index 3c373f7ea5..f52827699e 100644
--- a/polkadot/node/core/pvf/tests/it/adder.rs
+++ b/polkadot/node/core/pvf/tests/it/adder.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/tests/it/main.rs b/polkadot/node/core/pvf/tests/it/main.rs
index 6833a7de9f..ecd885ab64 100644
--- a/polkadot/node/core/pvf/tests/it/main.rs
+++ b/polkadot/node/core/pvf/tests/it/main.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/pvf/tests/it/worker_common.rs b/polkadot/node/core/pvf/tests/it/worker_common.rs
index 72bc809162..3a17efc8df 100644
--- a/polkadot/node/core/pvf/tests/it/worker_common.rs
+++ b/polkadot/node/core/pvf/tests/it/worker_common.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/runtime-api/src/cache.rs b/polkadot/node/core/runtime-api/src/cache.rs
index 63274f10c4..ea7135696e 100644
--- a/polkadot/node/core/runtime-api/src/cache.rs
+++ b/polkadot/node/core/runtime-api/src/cache.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/runtime-api/src/lib.rs b/polkadot/node/core/runtime-api/src/lib.rs
index 8ea9d1509b..57947ccdc1 100644
--- a/polkadot/node/core/runtime-api/src/lib.rs
+++ b/polkadot/node/core/runtime-api/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/runtime-api/src/metrics.rs b/polkadot/node/core/runtime-api/src/metrics.rs
index d9459d1ad5..dc91038977 100644
--- a/polkadot/node/core/runtime-api/src/metrics.rs
+++ b/polkadot/node/core/runtime-api/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/core/runtime-api/src/tests.rs b/polkadot/node/core/runtime-api/src/tests.rs
index f1cf1c7f46..b5ba4fc08a 100644
--- a/polkadot/node/core/runtime-api/src/tests.rs
+++ b/polkadot/node/core/runtime-api/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/gum/proc-macro/src/lib.rs b/polkadot/node/gum/proc-macro/src/lib.rs
index 374ccaec37..d51742e9ca 100644
--- a/polkadot/node/gum/proc-macro/src/lib.rs
+++ b/polkadot/node/gum/proc-macro/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/gum/proc-macro/src/tests.rs b/polkadot/node/gum/proc-macro/src/tests.rs
index ffe332e066..c97a7c5980 100644
--- a/polkadot/node/gum/proc-macro/src/tests.rs
+++ b/polkadot/node/gum/proc-macro/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/gum/proc-macro/src/types.rs b/polkadot/node/gum/proc-macro/src/types.rs
index 7a2f663fee..6926e1ade9 100644
--- a/polkadot/node/gum/proc-macro/src/types.rs
+++ b/polkadot/node/gum/proc-macro/src/types.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/gum/src/lib.rs b/polkadot/node/gum/src/lib.rs
index 9cc6e9ff66..8e65343d21 100644
--- a/polkadot/node/gum/src/lib.rs
+++ b/polkadot/node/gum/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/gum/src/tests.rs b/polkadot/node/gum/src/tests.rs
index 8ca7e3124b..941abf234d 100644
--- a/polkadot/node/gum/src/tests.rs
+++ b/polkadot/node/gum/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/jaeger/src/config.rs b/polkadot/node/jaeger/src/config.rs
index 777d7705f5..702a22e124 100644
--- a/polkadot/node/jaeger/src/config.rs
+++ b/polkadot/node/jaeger/src/config.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/jaeger/src/errors.rs b/polkadot/node/jaeger/src/errors.rs
index cf5cdc1e86..adedda34c7 100644
--- a/polkadot/node/jaeger/src/errors.rs
+++ b/polkadot/node/jaeger/src/errors.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/jaeger/src/lib.rs b/polkadot/node/jaeger/src/lib.rs
index f33563a3d7..99222589d4 100644
--- a/polkadot/node/jaeger/src/lib.rs
+++ b/polkadot/node/jaeger/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/jaeger/src/spans.rs b/polkadot/node/jaeger/src/spans.rs
index b67ca0f9f2..b17a784109 100644
--- a/polkadot/node/jaeger/src/spans.rs
+++ b/polkadot/node/jaeger/src/spans.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/malus/src/interceptor.rs b/polkadot/node/malus/src/interceptor.rs
index a41712e469..cbf39bccd1 100644
--- a/polkadot/node/malus/src/interceptor.rs
+++ b/polkadot/node/malus/src/interceptor.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/malus/src/malus.rs b/polkadot/node/malus/src/malus.rs
index 2c10f75beb..f202996aca 100644
--- a/polkadot/node/malus/src/malus.rs
+++ b/polkadot/node/malus/src/malus.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/malus/src/shared.rs b/polkadot/node/malus/src/shared.rs
index 11d81aded1..28666e400a 100644
--- a/polkadot/node/malus/src/shared.rs
+++ b/polkadot/node/malus/src/shared.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/malus/src/tests.rs b/polkadot/node/malus/src/tests.rs
index 706e8b9319..1cf0698bab 100644
--- a/polkadot/node/malus/src/tests.rs
+++ b/polkadot/node/malus/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/malus/src/variants/back_garbage_candidate.rs b/polkadot/node/malus/src/variants/back_garbage_candidate.rs
index b17b8bca58..d0d21f783d 100644
--- a/polkadot/node/malus/src/variants/back_garbage_candidate.rs
+++ b/polkadot/node/malus/src/variants/back_garbage_candidate.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/malus/src/variants/common.rs b/polkadot/node/malus/src/variants/common.rs
index e491b10812..4ea8b88b56 100644
--- a/polkadot/node/malus/src/variants/common.rs
+++ b/polkadot/node/malus/src/variants/common.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/malus/src/variants/dispute_valid_candidates.rs b/polkadot/node/malus/src/variants/dispute_valid_candidates.rs
index cea058023d..89504d76fb 100644
--- a/polkadot/node/malus/src/variants/dispute_valid_candidates.rs
+++ b/polkadot/node/malus/src/variants/dispute_valid_candidates.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/malus/src/variants/mod.rs b/polkadot/node/malus/src/variants/mod.rs
index 6f9a9359e0..3789f33ac9 100644
--- a/polkadot/node/malus/src/variants/mod.rs
+++ b/polkadot/node/malus/src/variants/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/malus/src/variants/suggest_garbage_candidate.rs b/polkadot/node/malus/src/variants/suggest_garbage_candidate.rs
index 7e1a9246bc..cec194345a 100644
--- a/polkadot/node/malus/src/variants/suggest_garbage_candidate.rs
+++ b/polkadot/node/malus/src/variants/suggest_garbage_candidate.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/metrics/src/lib.rs b/polkadot/node/metrics/src/lib.rs
index 3c00272981..69b3771d69 100644
--- a/polkadot/node/metrics/src/lib.rs
+++ b/polkadot/node/metrics/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/metrics/src/metronome.rs b/polkadot/node/metrics/src/metronome.rs
index ac47e20319..a379062c9c 100644
--- a/polkadot/node/metrics/src/metronome.rs
+++ b/polkadot/node/metrics/src/metronome.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/metrics/src/runtime/mod.rs b/polkadot/node/metrics/src/runtime/mod.rs
index 8b75342bf9..7cd24b01c1 100644
--- a/polkadot/node/metrics/src/runtime/mod.rs
+++ b/polkadot/node/metrics/src/runtime/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/metrics/src/runtime/parachain.rs b/polkadot/node/metrics/src/runtime/parachain.rs
index dcbf812341..b137718208 100644
--- a/polkadot/node/metrics/src/runtime/parachain.rs
+++ b/polkadot/node/metrics/src/runtime/parachain.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/metrics/src/tests.rs b/polkadot/node/metrics/src/tests.rs
index 23ebcef137..486a88b993 100644
--- a/polkadot/node/metrics/src/tests.rs
+++ b/polkadot/node/metrics/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/approval-distribution/src/lib.rs b/polkadot/node/network/approval-distribution/src/lib.rs
index f0df22b559..22c5ed8b66 100644
--- a/polkadot/node/network/approval-distribution/src/lib.rs
+++ b/polkadot/node/network/approval-distribution/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/approval-distribution/src/metrics.rs b/polkadot/node/network/approval-distribution/src/metrics.rs
index 47bae7065a..3cdc64a8b7 100644
--- a/polkadot/node/network/approval-distribution/src/metrics.rs
+++ b/polkadot/node/network/approval-distribution/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/approval-distribution/src/tests.rs b/polkadot/node/network/approval-distribution/src/tests.rs
index 459b9d4899..31fe0a421d 100644
--- a/polkadot/node/network/approval-distribution/src/tests.rs
+++ b/polkadot/node/network/approval-distribution/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/error.rs b/polkadot/node/network/availability-distribution/src/error.rs
index f4fe86a587..3e060723e7 100644
--- a/polkadot/node/network/availability-distribution/src/error.rs
+++ b/polkadot/node/network/availability-distribution/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/lib.rs b/polkadot/node/network/availability-distribution/src/lib.rs
index f961d95de9..bbefe12f11 100644
--- a/polkadot/node/network/availability-distribution/src/lib.rs
+++ b/polkadot/node/network/availability-distribution/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/metrics.rs b/polkadot/node/network/availability-distribution/src/metrics.rs
index a9e67bb761..bc724be10d 100644
--- a/polkadot/node/network/availability-distribution/src/metrics.rs
+++ b/polkadot/node/network/availability-distribution/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/pov_requester/mod.rs b/polkadot/node/network/availability-distribution/src/pov_requester/mod.rs
index ebe33f3b94..8fc9fa8215 100644
--- a/polkadot/node/network/availability-distribution/src/pov_requester/mod.rs
+++ b/polkadot/node/network/availability-distribution/src/pov_requester/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/requester/fetch_task/mod.rs b/polkadot/node/network/availability-distribution/src/requester/fetch_task/mod.rs
index adc2c32e30..119bcdaa94 100644
--- a/polkadot/node/network/availability-distribution/src/requester/fetch_task/mod.rs
+++ b/polkadot/node/network/availability-distribution/src/requester/fetch_task/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/requester/fetch_task/tests.rs b/polkadot/node/network/availability-distribution/src/requester/fetch_task/tests.rs
index 2f271ebcf3..460f20499e 100644
--- a/polkadot/node/network/availability-distribution/src/requester/fetch_task/tests.rs
+++ b/polkadot/node/network/availability-distribution/src/requester/fetch_task/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/requester/mod.rs b/polkadot/node/network/availability-distribution/src/requester/mod.rs
index 58a04dbcbf..e27f40982a 100644
--- a/polkadot/node/network/availability-distribution/src/requester/mod.rs
+++ b/polkadot/node/network/availability-distribution/src/requester/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/requester/session_cache.rs b/polkadot/node/network/availability-distribution/src/requester/session_cache.rs
index 836634fea3..e9311fb220 100644
--- a/polkadot/node/network/availability-distribution/src/requester/session_cache.rs
+++ b/polkadot/node/network/availability-distribution/src/requester/session_cache.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/requester/tests.rs b/polkadot/node/network/availability-distribution/src/requester/tests.rs
index abb81d2813..b74a69ea07 100644
--- a/polkadot/node/network/availability-distribution/src/requester/tests.rs
+++ b/polkadot/node/network/availability-distribution/src/requester/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/responder.rs b/polkadot/node/network/availability-distribution/src/responder.rs
index d8e5a9c1a6..54b188f7f0 100644
--- a/polkadot/node/network/availability-distribution/src/responder.rs
+++ b/polkadot/node/network/availability-distribution/src/responder.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/tests/mock.rs b/polkadot/node/network/availability-distribution/src/tests/mock.rs
index bbceea0701..3df662fe54 100644
--- a/polkadot/node/network/availability-distribution/src/tests/mock.rs
+++ b/polkadot/node/network/availability-distribution/src/tests/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/tests/mod.rs b/polkadot/node/network/availability-distribution/src/tests/mod.rs
index 93e8df6268..d0aee7e5e0 100644
--- a/polkadot/node/network/availability-distribution/src/tests/mod.rs
+++ b/polkadot/node/network/availability-distribution/src/tests/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-distribution/src/tests/state.rs b/polkadot/node/network/availability-distribution/src/tests/state.rs
index 50a7ea271f..36fb16f7e1 100644
--- a/polkadot/node/network/availability-distribution/src/tests/state.rs
+++ b/polkadot/node/network/availability-distribution/src/tests/state.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-recovery/src/error.rs b/polkadot/node/network/availability-recovery/src/error.rs
index 70f23bef92..47277a521b 100644
--- a/polkadot/node/network/availability-recovery/src/error.rs
+++ b/polkadot/node/network/availability-recovery/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-recovery/src/futures_undead.rs b/polkadot/node/network/availability-recovery/src/futures_undead.rs
index aa91c39f8e..225f6693a7 100644
--- a/polkadot/node/network/availability-recovery/src/futures_undead.rs
+++ b/polkadot/node/network/availability-recovery/src/futures_undead.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-recovery/src/lib.rs b/polkadot/node/network/availability-recovery/src/lib.rs
index a504021def..9d6092ef84 100644
--- a/polkadot/node/network/availability-recovery/src/lib.rs
+++ b/polkadot/node/network/availability-recovery/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-recovery/src/metrics.rs b/polkadot/node/network/availability-recovery/src/metrics.rs
index 7acf0c228c..255d708e69 100644
--- a/polkadot/node/network/availability-recovery/src/metrics.rs
+++ b/polkadot/node/network/availability-recovery/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/availability-recovery/src/tests.rs b/polkadot/node/network/availability-recovery/src/tests.rs
index 0f25b502b6..b47a033f0d 100644
--- a/polkadot/node/network/availability-recovery/src/tests.rs
+++ b/polkadot/node/network/availability-recovery/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bitfield-distribution/src/lib.rs b/polkadot/node/network/bitfield-distribution/src/lib.rs
index 63a9c4ccf0..a3dcaf0f2f 100644
--- a/polkadot/node/network/bitfield-distribution/src/lib.rs
+++ b/polkadot/node/network/bitfield-distribution/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bitfield-distribution/src/metrics.rs b/polkadot/node/network/bitfield-distribution/src/metrics.rs
index 2a1fae5a94..71d8a01300 100644
--- a/polkadot/node/network/bitfield-distribution/src/metrics.rs
+++ b/polkadot/node/network/bitfield-distribution/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bitfield-distribution/src/tests.rs b/polkadot/node/network/bitfield-distribution/src/tests.rs
index 0ee9f98346..f36fd59c35 100644
--- a/polkadot/node/network/bitfield-distribution/src/tests.rs
+++ b/polkadot/node/network/bitfield-distribution/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bridge/src/errors.rs b/polkadot/node/network/bridge/src/errors.rs
index ef7a307023..1234bd9190 100644
--- a/polkadot/node/network/bridge/src/errors.rs
+++ b/polkadot/node/network/bridge/src/errors.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bridge/src/lib.rs b/polkadot/node/network/bridge/src/lib.rs
index 77d106d25f..0dd6227b71 100644
--- a/polkadot/node/network/bridge/src/lib.rs
+++ b/polkadot/node/network/bridge/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bridge/src/metrics.rs b/polkadot/node/network/bridge/src/metrics.rs
index 5ca392ee33..bb90daad56 100644
--- a/polkadot/node/network/bridge/src/metrics.rs
+++ b/polkadot/node/network/bridge/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bridge/src/network.rs b/polkadot/node/network/bridge/src/network.rs
index 3d598a181a..9365439ed0 100644
--- a/polkadot/node/network/bridge/src/network.rs
+++ b/polkadot/node/network/bridge/src/network.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bridge/src/rx/mod.rs b/polkadot/node/network/bridge/src/rx/mod.rs
index 5253ada28c..8b170edf04 100644
--- a/polkadot/node/network/bridge/src/rx/mod.rs
+++ b/polkadot/node/network/bridge/src/rx/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bridge/src/rx/tests.rs b/polkadot/node/network/bridge/src/rx/tests.rs
index b16287f82f..51e895f52f 100644
--- a/polkadot/node/network/bridge/src/rx/tests.rs
+++ b/polkadot/node/network/bridge/src/rx/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bridge/src/tx/mod.rs b/polkadot/node/network/bridge/src/tx/mod.rs
index 32a0ecaf75..3b9f6b8602 100644
--- a/polkadot/node/network/bridge/src/tx/mod.rs
+++ b/polkadot/node/network/bridge/src/tx/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bridge/src/tx/tests.rs b/polkadot/node/network/bridge/src/tx/tests.rs
index 9853927e58..c03c131d9e 100644
--- a/polkadot/node/network/bridge/src/tx/tests.rs
+++ b/polkadot/node/network/bridge/src/tx/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/bridge/src/validator_discovery.rs b/polkadot/node/network/bridge/src/validator_discovery.rs
index 88096c08ce..8da08dd53e 100644
--- a/polkadot/node/network/bridge/src/validator_discovery.rs
+++ b/polkadot/node/network/bridge/src/validator_discovery.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/collator-protocol/src/collator_side/metrics.rs b/polkadot/node/network/collator-protocol/src/collator_side/metrics.rs
index 85e00406b9..3b5758ccc7 100644
--- a/polkadot/node/network/collator-protocol/src/collator_side/metrics.rs
+++ b/polkadot/node/network/collator-protocol/src/collator_side/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/collator-protocol/src/collator_side/mod.rs b/polkadot/node/network/collator-protocol/src/collator_side/mod.rs
index cb4a3b4a8f..9aaeb0deb9 100644
--- a/polkadot/node/network/collator-protocol/src/collator_side/mod.rs
+++ b/polkadot/node/network/collator-protocol/src/collator_side/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/collator-protocol/src/collator_side/tests.rs b/polkadot/node/network/collator-protocol/src/collator_side/tests.rs
index d7e7d45fad..aeb64e22c9 100644
--- a/polkadot/node/network/collator-protocol/src/collator_side/tests.rs
+++ b/polkadot/node/network/collator-protocol/src/collator_side/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/collator-protocol/src/collator_side/validators_buffer.rs b/polkadot/node/network/collator-protocol/src/collator_side/validators_buffer.rs
index 054d8960b7..851923a6d0 100644
--- a/polkadot/node/network/collator-protocol/src/collator_side/validators_buffer.rs
+++ b/polkadot/node/network/collator-protocol/src/collator_side/validators_buffer.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/collator-protocol/src/error.rs b/polkadot/node/network/collator-protocol/src/error.rs
index b1c86fa81c..1b6a512b5d 100644
--- a/polkadot/node/network/collator-protocol/src/error.rs
+++ b/polkadot/node/network/collator-protocol/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/collator-protocol/src/lib.rs b/polkadot/node/network/collator-protocol/src/lib.rs
index ab8718ee3b..0831f8907a 100644
--- a/polkadot/node/network/collator-protocol/src/lib.rs
+++ b/polkadot/node/network/collator-protocol/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/collator-protocol/src/validator_side/mod.rs b/polkadot/node/network/collator-protocol/src/validator_side/mod.rs
index 8ed4fd4492..3d422336d2 100644
--- a/polkadot/node/network/collator-protocol/src/validator_side/mod.rs
+++ b/polkadot/node/network/collator-protocol/src/validator_side/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/collator-protocol/src/validator_side/tests.rs b/polkadot/node/network/collator-protocol/src/validator_side/tests.rs
index 66a5dd5e03..97d4391b4d 100644
--- a/polkadot/node/network/collator-protocol/src/validator_side/tests.rs
+++ b/polkadot/node/network/collator-protocol/src/validator_side/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/error.rs b/polkadot/node/network/dispute-distribution/src/error.rs
index cc5be11602..a2fdae96ef 100644
--- a/polkadot/node/network/dispute-distribution/src/error.rs
+++ b/polkadot/node/network/dispute-distribution/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/lib.rs b/polkadot/node/network/dispute-distribution/src/lib.rs
index 1ac54c6219..a39f78358f 100644
--- a/polkadot/node/network/dispute-distribution/src/lib.rs
+++ b/polkadot/node/network/dispute-distribution/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/metrics.rs b/polkadot/node/network/dispute-distribution/src/metrics.rs
index aa2feeaad3..3c04758b8b 100644
--- a/polkadot/node/network/dispute-distribution/src/metrics.rs
+++ b/polkadot/node/network/dispute-distribution/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/receiver/batches/batch.rs b/polkadot/node/network/dispute-distribution/src/receiver/batches/batch.rs
index cb08df4595..75f37107df 100644
--- a/polkadot/node/network/dispute-distribution/src/receiver/batches/batch.rs
+++ b/polkadot/node/network/dispute-distribution/src/receiver/batches/batch.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/receiver/batches/mod.rs b/polkadot/node/network/dispute-distribution/src/receiver/batches/mod.rs
index 8e3e157c92..76c7683d15 100644
--- a/polkadot/node/network/dispute-distribution/src/receiver/batches/mod.rs
+++ b/polkadot/node/network/dispute-distribution/src/receiver/batches/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/receiver/batches/waiting_queue.rs b/polkadot/node/network/dispute-distribution/src/receiver/batches/waiting_queue.rs
index 995dc74d35..72f6e80a26 100644
--- a/polkadot/node/network/dispute-distribution/src/receiver/batches/waiting_queue.rs
+++ b/polkadot/node/network/dispute-distribution/src/receiver/batches/waiting_queue.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/receiver/error.rs b/polkadot/node/network/dispute-distribution/src/receiver/error.rs
index 57e3222b89..f1f27ea275 100644
--- a/polkadot/node/network/dispute-distribution/src/receiver/error.rs
+++ b/polkadot/node/network/dispute-distribution/src/receiver/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/receiver/mod.rs b/polkadot/node/network/dispute-distribution/src/receiver/mod.rs
index b84be7b2df..ed108a67fa 100644
--- a/polkadot/node/network/dispute-distribution/src/receiver/mod.rs
+++ b/polkadot/node/network/dispute-distribution/src/receiver/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/receiver/peer_queues.rs b/polkadot/node/network/dispute-distribution/src/receiver/peer_queues.rs
index fc3b969731..bc58c01971 100644
--- a/polkadot/node/network/dispute-distribution/src/receiver/peer_queues.rs
+++ b/polkadot/node/network/dispute-distribution/src/receiver/peer_queues.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/sender/error.rs b/polkadot/node/network/dispute-distribution/src/sender/error.rs
index c2f204344e..348a4083c9 100644
--- a/polkadot/node/network/dispute-distribution/src/sender/error.rs
+++ b/polkadot/node/network/dispute-distribution/src/sender/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/sender/mod.rs b/polkadot/node/network/dispute-distribution/src/sender/mod.rs
index 6a1dedcb3c..f4acc72318 100644
--- a/polkadot/node/network/dispute-distribution/src/sender/mod.rs
+++ b/polkadot/node/network/dispute-distribution/src/sender/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/sender/send_task.rs b/polkadot/node/network/dispute-distribution/src/sender/send_task.rs
index 7e01bc1774..fcd670ff9c 100644
--- a/polkadot/node/network/dispute-distribution/src/sender/send_task.rs
+++ b/polkadot/node/network/dispute-distribution/src/sender/send_task.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/tests/mock.rs b/polkadot/node/network/dispute-distribution/src/tests/mock.rs
index 1a160db52a..d248328da0 100644
--- a/polkadot/node/network/dispute-distribution/src/tests/mock.rs
+++ b/polkadot/node/network/dispute-distribution/src/tests/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/dispute-distribution/src/tests/mod.rs b/polkadot/node/network/dispute-distribution/src/tests/mod.rs
index 337883be8e..6760792773 100644
--- a/polkadot/node/network/dispute-distribution/src/tests/mod.rs
+++ b/polkadot/node/network/dispute-distribution/src/tests/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/gossip-support/src/lib.rs b/polkadot/node/network/gossip-support/src/lib.rs
index 9878f7e99e..c3a13c74f1 100644
--- a/polkadot/node/network/gossip-support/src/lib.rs
+++ b/polkadot/node/network/gossip-support/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/gossip-support/src/metrics.rs b/polkadot/node/network/gossip-support/src/metrics.rs
index 99bbf72684..6cec0523f7 100644
--- a/polkadot/node/network/gossip-support/src/metrics.rs
+++ b/polkadot/node/network/gossip-support/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/gossip-support/src/tests.rs b/polkadot/node/network/gossip-support/src/tests.rs
index 797d653e77..5f91fcf521 100644
--- a/polkadot/node/network/gossip-support/src/tests.rs
+++ b/polkadot/node/network/gossip-support/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/authority_discovery.rs b/polkadot/node/network/protocol/src/authority_discovery.rs
index 57a8532376..0cf11b93d1 100644
--- a/polkadot/node/network/protocol/src/authority_discovery.rs
+++ b/polkadot/node/network/protocol/src/authority_discovery.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/grid_topology.rs b/polkadot/node/network/protocol/src/grid_topology.rs
index 6e0512dd59..1b356f6761 100644
--- a/polkadot/node/network/protocol/src/grid_topology.rs
+++ b/polkadot/node/network/protocol/src/grid_topology.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/lib.rs b/polkadot/node/network/protocol/src/lib.rs
index 63024e0fd3..948c422a82 100644
--- a/polkadot/node/network/protocol/src/lib.rs
+++ b/polkadot/node/network/protocol/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/peer_set.rs b/polkadot/node/network/protocol/src/peer_set.rs
index 84c41051f7..ce47ac3081 100644
--- a/polkadot/node/network/protocol/src/peer_set.rs
+++ b/polkadot/node/network/protocol/src/peer_set.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/reputation.rs b/polkadot/node/network/protocol/src/reputation.rs
index be76eae16f..7cd2aa5143 100644
--- a/polkadot/node/network/protocol/src/reputation.rs
+++ b/polkadot/node/network/protocol/src/reputation.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/request_response/incoming/error.rs b/polkadot/node/network/protocol/src/request_response/incoming/error.rs
index 1bb7fa82ef..efc3d8ecfc 100644
--- a/polkadot/node/network/protocol/src/request_response/incoming/error.rs
+++ b/polkadot/node/network/protocol/src/request_response/incoming/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/request_response/incoming/mod.rs b/polkadot/node/network/protocol/src/request_response/incoming/mod.rs
index 808d706459..c08b6726fa 100644
--- a/polkadot/node/network/protocol/src/request_response/incoming/mod.rs
+++ b/polkadot/node/network/protocol/src/request_response/incoming/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/request_response/mod.rs b/polkadot/node/network/protocol/src/request_response/mod.rs
index a12905f94f..c74e4138e8 100644
--- a/polkadot/node/network/protocol/src/request_response/mod.rs
+++ b/polkadot/node/network/protocol/src/request_response/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/request_response/outgoing.rs b/polkadot/node/network/protocol/src/request_response/outgoing.rs
index 8aa174eb69..581a4de63b 100644
--- a/polkadot/node/network/protocol/src/request_response/outgoing.rs
+++ b/polkadot/node/network/protocol/src/request_response/outgoing.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/protocol/src/request_response/v1.rs b/polkadot/node/network/protocol/src/request_response/v1.rs
index ca8f59a839..0832593a6a 100644
--- a/polkadot/node/network/protocol/src/request_response/v1.rs
+++ b/polkadot/node/network/protocol/src/request_response/v1.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/statement-distribution/src/error.rs b/polkadot/node/network/statement-distribution/src/error.rs
index 86cbbc8a98..14917af99f 100644
--- a/polkadot/node/network/statement-distribution/src/error.rs
+++ b/polkadot/node/network/statement-distribution/src/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/statement-distribution/src/lib.rs b/polkadot/node/network/statement-distribution/src/lib.rs
index 3677ac2156..502165b0b4 100644
--- a/polkadot/node/network/statement-distribution/src/lib.rs
+++ b/polkadot/node/network/statement-distribution/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/network/statement-distribution/src/metrics.rs b/polkadot/node/network/statement-distribution/src/metrics.rs
index 6acbf63ead..22a43ea7c5 100644
--- a/polkadot/node/network/statement-distribution/src/metrics.rs
+++ b/polkadot/node/network/statement-distribution/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// Polkadot is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
diff --git a/polkadot/node/network/statement-distribution/src/requester.rs b/polkadot/node/network/statement-distribution/src/requester.rs
index 941c6772e5..3b477243be 100644
--- a/polkadot/node/network/statement-distribution/src/requester.rs
+++ b/polkadot/node/network/statement-distribution/src/requester.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// Polkadot is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
diff --git a/polkadot/node/network/statement-distribution/src/responder.rs b/polkadot/node/network/statement-distribution/src/responder.rs
index 8db38385e5..4dad10eb5e 100644
--- a/polkadot/node/network/statement-distribution/src/responder.rs
+++ b/polkadot/node/network/statement-distribution/src/responder.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// Polkadot is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
diff --git a/polkadot/node/network/statement-distribution/src/tests.rs b/polkadot/node/network/statement-distribution/src/tests.rs
index f93d0932b3..7726f1c0a5 100644
--- a/polkadot/node/network/statement-distribution/src/tests.rs
+++ b/polkadot/node/network/statement-distribution/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/overseer/examples/minimal-example.rs b/polkadot/node/overseer/examples/minimal-example.rs
index ac81a231da..a823b1d396 100644
--- a/polkadot/node/overseer/examples/minimal-example.rs
+++ b/polkadot/node/overseer/examples/minimal-example.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/overseer/src/dummy.rs b/polkadot/node/overseer/src/dummy.rs
index cc0d6ff99b..d93236ac98 100644
--- a/polkadot/node/overseer/src/dummy.rs
+++ b/polkadot/node/overseer/src/dummy.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/overseer/src/lib.rs b/polkadot/node/overseer/src/lib.rs
index 7fe0fe3652..a2d553779f 100644
--- a/polkadot/node/overseer/src/lib.rs
+++ b/polkadot/node/overseer/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/overseer/src/memory_stats.rs b/polkadot/node/overseer/src/memory_stats.rs
index 9d7ebdb943..0287021a9a 100644
--- a/polkadot/node/overseer/src/memory_stats.rs
+++ b/polkadot/node/overseer/src/memory_stats.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/overseer/src/metrics.rs b/polkadot/node/overseer/src/metrics.rs
index 57858fe980..d5acf33083 100644
--- a/polkadot/node/overseer/src/metrics.rs
+++ b/polkadot/node/overseer/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/overseer/src/tests.rs b/polkadot/node/overseer/src/tests.rs
index bc26402aed..35efa4e1bd 100644
--- a/polkadot/node/overseer/src/tests.rs
+++ b/polkadot/node/overseer/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/primitives/src/approval.rs b/polkadot/node/primitives/src/approval.rs
index 809dc57bcb..67a88bf600 100644
--- a/polkadot/node/primitives/src/approval.rs
+++ b/polkadot/node/primitives/src/approval.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/primitives/src/disputes/message.rs b/polkadot/node/primitives/src/disputes/message.rs
index 4a1650ed8c..992d70ba13 100644
--- a/polkadot/node/primitives/src/disputes/message.rs
+++ b/polkadot/node/primitives/src/disputes/message.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/primitives/src/disputes/mod.rs b/polkadot/node/primitives/src/disputes/mod.rs
index 554b964281..5e8e581525 100644
--- a/polkadot/node/primitives/src/disputes/mod.rs
+++ b/polkadot/node/primitives/src/disputes/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/primitives/src/disputes/status.rs b/polkadot/node/primitives/src/disputes/status.rs
index 7cc26c1a1f..309225edc9 100644
--- a/polkadot/node/primitives/src/disputes/status.rs
+++ b/polkadot/node/primitives/src/disputes/status.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/primitives/src/lib.rs b/polkadot/node/primitives/src/lib.rs
index c113769563..18e043be9c 100644
--- a/polkadot/node/primitives/src/lib.rs
+++ b/polkadot/node/primitives/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/service/src/chain_spec.rs b/polkadot/node/service/src/chain_spec.rs
index f867cf97ca..431af1ec06 100644
--- a/polkadot/node/service/src/chain_spec.rs
+++ b/polkadot/node/service/src/chain_spec.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/service/src/grandpa_support.rs b/polkadot/node/service/src/grandpa_support.rs
index 14507e87a2..3a767d9783 100644
--- a/polkadot/node/service/src/grandpa_support.rs
+++ b/polkadot/node/service/src/grandpa_support.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/service/src/lib.rs b/polkadot/node/service/src/lib.rs
index 913c30b46c..86bae65a26 100644
--- a/polkadot/node/service/src/lib.rs
+++ b/polkadot/node/service/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/service/src/overseer.rs b/polkadot/node/service/src/overseer.rs
index 39a57289a9..d669a41f6f 100644
--- a/polkadot/node/service/src/overseer.rs
+++ b/polkadot/node/service/src/overseer.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/service/src/parachains_db/mod.rs b/polkadot/node/service/src/parachains_db/mod.rs
index 74e7e13dc6..918aecd25e 100644
--- a/polkadot/node/service/src/parachains_db/mod.rs
+++ b/polkadot/node/service/src/parachains_db/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/service/src/parachains_db/upgrade.rs b/polkadot/node/service/src/parachains_db/upgrade.rs
index 01d4fb62f7..c52bd21c05 100644
--- a/polkadot/node/service/src/parachains_db/upgrade.rs
+++ b/polkadot/node/service/src/parachains_db/upgrade.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/service/src/relay_chain_selection.rs b/polkadot/node/service/src/relay_chain_selection.rs
index 41bd08e611..18d6866e04 100644
--- a/polkadot/node/service/src/relay_chain_selection.rs
+++ b/polkadot/node/service/src/relay_chain_selection.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/service/src/tests.rs b/polkadot/node/service/src/tests.rs
index 1a2997fe67..d28391a42e 100644
--- a/polkadot/node/service/src/tests.rs
+++ b/polkadot/node/service/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-test-helpers/src/lib.rs b/polkadot/node/subsystem-test-helpers/src/lib.rs
index 5a5a74d285..4170f22c5b 100644
--- a/polkadot/node/subsystem-test-helpers/src/lib.rs
+++ b/polkadot/node/subsystem-test-helpers/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-test-helpers/src/mock.rs b/polkadot/node/subsystem-test-helpers/src/mock.rs
index 77e55b7083..04695983d1 100644
--- a/polkadot/node/subsystem-test-helpers/src/mock.rs
+++ b/polkadot/node/subsystem-test-helpers/src/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-types/src/errors.rs b/polkadot/node/subsystem-types/src/errors.rs
index 48829e7fc7..d633ac2ef9 100644
--- a/polkadot/node/subsystem-types/src/errors.rs
+++ b/polkadot/node/subsystem-types/src/errors.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-types/src/lib.rs b/polkadot/node/subsystem-types/src/lib.rs
index 5765073670..2ec25bb4ee 100644
--- a/polkadot/node/subsystem-types/src/lib.rs
+++ b/polkadot/node/subsystem-types/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-types/src/messages.rs b/polkadot/node/subsystem-types/src/messages.rs
index 95895a5b0a..ee0c4ebc47 100644
--- a/polkadot/node/subsystem-types/src/messages.rs
+++ b/polkadot/node/subsystem-types/src/messages.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-types/src/messages/network_bridge_event.rs b/polkadot/node/subsystem-types/src/messages/network_bridge_event.rs
index cc9f21b558..3578a9efee 100644
--- a/polkadot/node/subsystem-types/src/messages/network_bridge_event.rs
+++ b/polkadot/node/subsystem-types/src/messages/network_bridge_event.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-types/src/runtime_client.rs b/polkadot/node/subsystem-types/src/runtime_client.rs
index 7af3cb3369..5f8db5a8d0 100644
--- a/polkadot/node/subsystem-types/src/runtime_client.rs
+++ b/polkadot/node/subsystem-types/src/runtime_client.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-util/src/database.rs b/polkadot/node/subsystem-util/src/database.rs
index d29a4460ea..be5110c4aa 100644
--- a/polkadot/node/subsystem-util/src/database.rs
+++ b/polkadot/node/subsystem-util/src/database.rs
@@ -1,4 +1,4 @@
-// Copyright 2021-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-util/src/determine_new_blocks.rs b/polkadot/node/subsystem-util/src/determine_new_blocks.rs
index 8bebe969cb..9ffb5d9757 100644
--- a/polkadot/node/subsystem-util/src/determine_new_blocks.rs
+++ b/polkadot/node/subsystem-util/src/determine_new_blocks.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-util/src/lib.rs b/polkadot/node/subsystem-util/src/lib.rs
index d4c04a32a8..6c16cf396c 100644
--- a/polkadot/node/subsystem-util/src/lib.rs
+++ b/polkadot/node/subsystem-util/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-util/src/nesting_sender.rs b/polkadot/node/subsystem-util/src/nesting_sender.rs
index 75f8da9a0c..97c95aae41 100644
--- a/polkadot/node/subsystem-util/src/nesting_sender.rs
+++ b/polkadot/node/subsystem-util/src/nesting_sender.rs
@@ -1,4 +1,4 @@
-// Copyright 2022-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-util/src/rolling_session_window.rs b/polkadot/node/subsystem-util/src/rolling_session_window.rs
index 500ce75569..4205831e09 100644
--- a/polkadot/node/subsystem-util/src/rolling_session_window.rs
+++ b/polkadot/node/subsystem-util/src/rolling_session_window.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-util/src/runtime/error.rs b/polkadot/node/subsystem-util/src/runtime/error.rs
index 90a988d786..db3eacd685 100644
--- a/polkadot/node/subsystem-util/src/runtime/error.rs
+++ b/polkadot/node/subsystem-util/src/runtime/error.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-util/src/runtime/mod.rs b/polkadot/node/subsystem-util/src/runtime/mod.rs
index 14e32e92f5..6e06b99bbe 100644
--- a/polkadot/node/subsystem-util/src/runtime/mod.rs
+++ b/polkadot/node/subsystem-util/src/runtime/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem-util/src/tests.rs b/polkadot/node/subsystem-util/src/tests.rs
index e3bae035d7..9ade95d4e8 100644
--- a/polkadot/node/subsystem-util/src/tests.rs
+++ b/polkadot/node/subsystem-util/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/subsystem/src/lib.rs b/polkadot/node/subsystem/src/lib.rs
index 6d534f5fd5..df379f2d97 100644
--- a/polkadot/node/subsystem/src/lib.rs
+++ b/polkadot/node/subsystem/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/client/src/block_builder.rs b/polkadot/node/test/client/src/block_builder.rs
index 428da8c199..33b01d018d 100644
--- a/polkadot/node/test/client/src/block_builder.rs
+++ b/polkadot/node/test/client/src/block_builder.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/client/src/lib.rs b/polkadot/node/test/client/src/lib.rs
index 2f698a09b9..e27e8a5bda 100644
--- a/polkadot/node/test/client/src/lib.rs
+++ b/polkadot/node/test/client/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/performance-test/build.rs b/polkadot/node/test/performance-test/build.rs
index b990c44a31..304b24c3b8 100644
--- a/polkadot/node/test/performance-test/build.rs
+++ b/polkadot/node/test/performance-test/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/performance-test/src/constants.rs b/polkadot/node/test/performance-test/src/constants.rs
index 0f27bb4991..158646ffc6 100644
--- a/polkadot/node/test/performance-test/src/constants.rs
+++ b/polkadot/node/test/performance-test/src/constants.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/performance-test/src/gen_ref_constants.rs b/polkadot/node/test/performance-test/src/gen_ref_constants.rs
index 51327bdec6..0f06af1580 100644
--- a/polkadot/node/test/performance-test/src/gen_ref_constants.rs
+++ b/polkadot/node/test/performance-test/src/gen_ref_constants.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/performance-test/src/lib.rs b/polkadot/node/test/performance-test/src/lib.rs
index 636bb7a00e..e426cc4e51 100644
--- a/polkadot/node/test/performance-test/src/lib.rs
+++ b/polkadot/node/test/performance-test/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/service/src/chain_spec.rs b/polkadot/node/test/service/src/chain_spec.rs
index e02bfc5414..2c6d95260d 100644
--- a/polkadot/node/test/service/src/chain_spec.rs
+++ b/polkadot/node/test/service/src/chain_spec.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/service/src/lib.rs b/polkadot/node/test/service/src/lib.rs
index f2a3c18197..4039f407ee 100644
--- a/polkadot/node/test/service/src/lib.rs
+++ b/polkadot/node/test/service/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/service/tests/build-blocks.rs b/polkadot/node/test/service/tests/build-blocks.rs
index 6f7951a077..b75fed6029 100644
--- a/polkadot/node/test/service/tests/build-blocks.rs
+++ b/polkadot/node/test/service/tests/build-blocks.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/test/service/tests/call-function.rs b/polkadot/node/test/service/tests/call-function.rs
index 7e36f18d76..c3baefdb9c 100644
--- a/polkadot/node/test/service/tests/call-function.rs
+++ b/polkadot/node/test/service/tests/call-function.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/zombienet-backchannel/src/errors.rs b/polkadot/node/zombienet-backchannel/src/errors.rs
index d6ce76c934..df74dd4777 100644
--- a/polkadot/node/zombienet-backchannel/src/errors.rs
+++ b/polkadot/node/zombienet-backchannel/src/errors.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/node/zombienet-backchannel/src/lib.rs b/polkadot/node/zombienet-backchannel/src/lib.rs
index d5298515e7..fa9218d2d3 100644
--- a/polkadot/node/zombienet-backchannel/src/lib.rs
+++ b/polkadot/node/zombienet-backchannel/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/src/lib.rs b/polkadot/parachain/src/lib.rs
index e73103d557..7bead23148 100644
--- a/polkadot/parachain/src/lib.rs
+++ b/polkadot/parachain/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/src/primitives.rs b/polkadot/parachain/src/primitives.rs
index 00b36bb545..224591d604 100644
--- a/polkadot/parachain/src/primitives.rs
+++ b/polkadot/parachain/src/primitives.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/src/wasm_api.rs b/polkadot/parachain/src/wasm_api.rs
index 0c20b94c5d..981d276af7 100644
--- a/polkadot/parachain/src/wasm_api.rs
+++ b/polkadot/parachain/src/wasm_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/adder/build.rs b/polkadot/parachain/test-parachains/adder/build.rs
index 1725943d37..d6377f3d5a 100644
--- a/polkadot/parachain/test-parachains/adder/build.rs
+++ b/polkadot/parachain/test-parachains/adder/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/adder/collator/bin/puppet_worker.rs b/polkadot/parachain/test-parachains/adder/collator/bin/puppet_worker.rs
index 4b026e96a8..7f93519d84 100644
--- a/polkadot/parachain/test-parachains/adder/collator/bin/puppet_worker.rs
+++ b/polkadot/parachain/test-parachains/adder/collator/bin/puppet_worker.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/adder/collator/src/cli.rs b/polkadot/parachain/test-parachains/adder/collator/src/cli.rs
index a71837c466..7a73ce5c61 100644
--- a/polkadot/parachain/test-parachains/adder/collator/src/cli.rs
+++ b/polkadot/parachain/test-parachains/adder/collator/src/cli.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/adder/collator/src/lib.rs b/polkadot/parachain/test-parachains/adder/collator/src/lib.rs
index ae5596e1ce..02a4598f9e 100644
--- a/polkadot/parachain/test-parachains/adder/collator/src/lib.rs
+++ b/polkadot/parachain/test-parachains/adder/collator/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/adder/collator/src/main.rs b/polkadot/parachain/test-parachains/adder/collator/src/main.rs
index a953624df3..699cee202c 100644
--- a/polkadot/parachain/test-parachains/adder/collator/src/main.rs
+++ b/polkadot/parachain/test-parachains/adder/collator/src/main.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/adder/collator/tests/integration.rs b/polkadot/parachain/test-parachains/adder/collator/tests/integration.rs
index a62f2a88c8..9ab1c0c337 100644
--- a/polkadot/parachain/test-parachains/adder/collator/tests/integration.rs
+++ b/polkadot/parachain/test-parachains/adder/collator/tests/integration.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/adder/src/lib.rs b/polkadot/parachain/test-parachains/adder/src/lib.rs
index 0674e565b8..4cf1ba8ac9 100644
--- a/polkadot/parachain/test-parachains/adder/src/lib.rs
+++ b/polkadot/parachain/test-parachains/adder/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/adder/src/wasm_validation.rs b/polkadot/parachain/test-parachains/adder/src/wasm_validation.rs
index 69c383a487..048330437c 100644
--- a/polkadot/parachain/test-parachains/adder/src/wasm_validation.rs
+++ b/polkadot/parachain/test-parachains/adder/src/wasm_validation.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/halt/build.rs b/polkadot/parachain/test-parachains/halt/build.rs
index 373ef6ac68..aabf553ced 100644
--- a/polkadot/parachain/test-parachains/halt/build.rs
+++ b/polkadot/parachain/test-parachains/halt/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/halt/src/lib.rs b/polkadot/parachain/test-parachains/halt/src/lib.rs
index c6820b493e..47e7d199f0 100644
--- a/polkadot/parachain/test-parachains/halt/src/lib.rs
+++ b/polkadot/parachain/test-parachains/halt/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/src/lib.rs b/polkadot/parachain/test-parachains/src/lib.rs
index 5220c28486..6d34be4d1a 100644
--- a/polkadot/parachain/test-parachains/src/lib.rs
+++ b/polkadot/parachain/test-parachains/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/undying/build.rs b/polkadot/parachain/test-parachains/undying/build.rs
index 665e0e08fb..d6377f3d5a 100644
--- a/polkadot/parachain/test-parachains/undying/build.rs
+++ b/polkadot/parachain/test-parachains/undying/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/undying/collator/bin/puppet_worker.rs b/polkadot/parachain/test-parachains/undying/collator/bin/puppet_worker.rs
index ffe20fd6ca..7f93519d84 100644
--- a/polkadot/parachain/test-parachains/undying/collator/bin/puppet_worker.rs
+++ b/polkadot/parachain/test-parachains/undying/collator/bin/puppet_worker.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/undying/collator/src/cli.rs b/polkadot/parachain/test-parachains/undying/collator/src/cli.rs
index 703a0bfd46..8f5da7bf1b 100644
--- a/polkadot/parachain/test-parachains/undying/collator/src/cli.rs
+++ b/polkadot/parachain/test-parachains/undying/collator/src/cli.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/undying/collator/src/lib.rs b/polkadot/parachain/test-parachains/undying/collator/src/lib.rs
index 317b85d3d4..838590fa16 100644
--- a/polkadot/parachain/test-parachains/undying/collator/src/lib.rs
+++ b/polkadot/parachain/test-parachains/undying/collator/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/undying/collator/src/main.rs b/polkadot/parachain/test-parachains/undying/collator/src/main.rs
index e28e1e25cf..189674b82a 100644
--- a/polkadot/parachain/test-parachains/undying/collator/src/main.rs
+++ b/polkadot/parachain/test-parachains/undying/collator/src/main.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/undying/collator/tests/integration.rs b/polkadot/parachain/test-parachains/undying/collator/tests/integration.rs
index c6f56e5faf..8ca6eec9aa 100644
--- a/polkadot/parachain/test-parachains/undying/collator/tests/integration.rs
+++ b/polkadot/parachain/test-parachains/undying/collator/tests/integration.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/undying/src/lib.rs b/polkadot/parachain/test-parachains/undying/src/lib.rs
index 021843292c..abd88726b7 100644
--- a/polkadot/parachain/test-parachains/undying/src/lib.rs
+++ b/polkadot/parachain/test-parachains/undying/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/parachain/test-parachains/undying/src/wasm_validation.rs b/polkadot/parachain/test-parachains/undying/src/wasm_validation.rs
index 873819ad2b..de4a1d7e23 100644
--- a/polkadot/parachain/test-parachains/undying/src/wasm_validation.rs
+++ b/polkadot/parachain/test-parachains/undying/src/wasm_validation.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/primitives/src/lib.rs b/polkadot/primitives/src/lib.rs
index c7c4b502d3..9cd1de8b47 100644
--- a/polkadot/primitives/src/lib.rs
+++ b/polkadot/primitives/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/primitives/src/runtime_api.rs b/polkadot/primitives/src/runtime_api.rs
index 222eb9580c..f6269e60dd 100644
--- a/polkadot/primitives/src/runtime_api.rs
+++ b/polkadot/primitives/src/runtime_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/primitives/src/v4/executor_params.rs b/polkadot/primitives/src/v4/executor_params.rs
index 0f7665f720..badaf3b44a 100644
--- a/polkadot/primitives/src/v4/executor_params.rs
+++ b/polkadot/primitives/src/v4/executor_params.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/primitives/src/v4/metrics.rs b/polkadot/primitives/src/v4/metrics.rs
index 36967c0856..cf57be0b80 100644
--- a/polkadot/primitives/src/v4/metrics.rs
+++ b/polkadot/primitives/src/v4/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/primitives/src/v4/mod.rs b/polkadot/primitives/src/v4/mod.rs
index 4319aba53e..6b8434cbbe 100644
--- a/polkadot/primitives/src/v4/mod.rs
+++ b/polkadot/primitives/src/v4/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/primitives/src/v4/signed.rs b/polkadot/primitives/src/v4/signed.rs
index bb83641d88..5eff153ba2 100644
--- a/polkadot/primitives/src/v4/signed.rs
+++ b/polkadot/primitives/src/v4/signed.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/primitives/src/vstaging/mod.rs b/polkadot/primitives/src/vstaging/mod.rs
index 9f5a99852e..c5ef4b5616 100644
--- a/polkadot/primitives/src/vstaging/mod.rs
+++ b/polkadot/primitives/src/vstaging/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/primitives/test-helpers/src/lib.rs b/polkadot/primitives/test-helpers/src/lib.rs
index f1603a53bf..ac7af5b5fa 100644
--- a/polkadot/primitives/test-helpers/src/lib.rs
+++ b/polkadot/primitives/test-helpers/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/rpc/src/lib.rs b/polkadot/rpc/src/lib.rs
index 14462f6590..e60afdc5ac 100644
--- a/polkadot/rpc/src/lib.rs
+++ b/polkadot/rpc/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/slot_range_helper/src/lib.rs b/polkadot/runtime/common/slot_range_helper/src/lib.rs
index 74f9a650bd..626232032f 100644
--- a/polkadot/runtime/common/slot_range_helper/src/lib.rs
+++ b/polkadot/runtime/common/slot_range_helper/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/assigned_slots.rs b/polkadot/runtime/common/src/assigned_slots.rs
index d766b08e73..4438ead9ff 100644
--- a/polkadot/runtime/common/src/assigned_slots.rs
+++ b/polkadot/runtime/common/src/assigned_slots.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/auctions.rs b/polkadot/runtime/common/src/auctions.rs
index 03ceea7035..dea6f3fd4b 100644
--- a/polkadot/runtime/common/src/auctions.rs
+++ b/polkadot/runtime/common/src/auctions.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/claims.rs b/polkadot/runtime/common/src/claims.rs
index 7d3cdcb47d..e33c818dc5 100644
--- a/polkadot/runtime/common/src/claims.rs
+++ b/polkadot/runtime/common/src/claims.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/crowdloan/migration.rs b/polkadot/runtime/common/src/crowdloan/migration.rs
index a46e72cc1a..c3042aa301 100644
--- a/polkadot/runtime/common/src/crowdloan/migration.rs
+++ b/polkadot/runtime/common/src/crowdloan/migration.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/crowdloan/mod.rs b/polkadot/runtime/common/src/crowdloan/mod.rs
index a4f2d3ba69..e4a8924df2 100644
--- a/polkadot/runtime/common/src/crowdloan/mod.rs
+++ b/polkadot/runtime/common/src/crowdloan/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/elections.rs b/polkadot/runtime/common/src/elections.rs
index 784aa6560c..5fd3971180 100644
--- a/polkadot/runtime/common/src/elections.rs
+++ b/polkadot/runtime/common/src/elections.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/impls.rs b/polkadot/runtime/common/src/impls.rs
index 42760eab10..89d3dcf972 100644
--- a/polkadot/runtime/common/src/impls.rs
+++ b/polkadot/runtime/common/src/impls.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/integration_tests.rs b/polkadot/runtime/common/src/integration_tests.rs
index 8f0d27c122..c1c4eaa153 100644
--- a/polkadot/runtime/common/src/integration_tests.rs
+++ b/polkadot/runtime/common/src/integration_tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/lib.rs b/polkadot/runtime/common/src/lib.rs
index 5952d11961..7ba653db3c 100644
--- a/polkadot/runtime/common/src/lib.rs
+++ b/polkadot/runtime/common/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/mock.rs b/polkadot/runtime/common/src/mock.rs
index 79bee1bbbc..3e3f88169a 100644
--- a/polkadot/runtime/common/src/mock.rs
+++ b/polkadot/runtime/common/src/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/paras_registrar.rs b/polkadot/runtime/common/src/paras_registrar.rs
index b41a5c5559..6ad37e63cc 100644
--- a/polkadot/runtime/common/src/paras_registrar.rs
+++ b/polkadot/runtime/common/src/paras_registrar.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/paras_sudo_wrapper.rs b/polkadot/runtime/common/src/paras_sudo_wrapper.rs
index 33b9d18071..75f91919a9 100644
--- a/polkadot/runtime/common/src/paras_sudo_wrapper.rs
+++ b/polkadot/runtime/common/src/paras_sudo_wrapper.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/purchase.rs b/polkadot/runtime/common/src/purchase.rs
index 95e2794998..cde9b4e3ef 100644
--- a/polkadot/runtime/common/src/purchase.rs
+++ b/polkadot/runtime/common/src/purchase.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/slot_range.rs b/polkadot/runtime/common/src/slot_range.rs
index d5bc38b3f6..1116acaa4d 100644
--- a/polkadot/runtime/common/src/slot_range.rs
+++ b/polkadot/runtime/common/src/slot_range.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/slots/migration.rs b/polkadot/runtime/common/src/slots/migration.rs
index a87f1cd7a0..4b499ca7c7 100644
--- a/polkadot/runtime/common/src/slots/migration.rs
+++ b/polkadot/runtime/common/src/slots/migration.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/slots/mod.rs b/polkadot/runtime/common/src/slots/mod.rs
index c9f3388e66..4197257f92 100644
--- a/polkadot/runtime/common/src/slots/mod.rs
+++ b/polkadot/runtime/common/src/slots/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/traits.rs b/polkadot/runtime/common/src/traits.rs
index 48d1ecfc6b..f24a5b9779 100644
--- a/polkadot/runtime/common/src/traits.rs
+++ b/polkadot/runtime/common/src/traits.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/try_runtime.rs b/polkadot/runtime/common/src/try_runtime.rs
index 508a2a0691..81aa34317b 100644
--- a/polkadot/runtime/common/src/try_runtime.rs
+++ b/polkadot/runtime/common/src/try_runtime.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/common/src/xcm_sender.rs b/polkadot/runtime/common/src/xcm_sender.rs
index e4cc02ae75..03120ccf70 100644
--- a/polkadot/runtime/common/src/xcm_sender.rs
+++ b/polkadot/runtime/common/src/xcm_sender.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/build.rs b/polkadot/runtime/kusama/build.rs
index a75ebb4edb..404ba3f2fd 100644
--- a/polkadot/runtime/kusama/build.rs
+++ b/polkadot/runtime/kusama/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/constants/src/lib.rs b/polkadot/runtime/kusama/constants/src/lib.rs
index 73ca3d3165..78f96b3510 100644
--- a/polkadot/runtime/kusama/constants/src/lib.rs
+++ b/polkadot/runtime/kusama/constants/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/constants/src/weights/block_weights.rs b/polkadot/runtime/kusama/constants/src/weights/block_weights.rs
index 985c8bd7fc..b2764de4e3 100644
--- a/polkadot/runtime/kusama/constants/src/weights/block_weights.rs
+++ b/polkadot/runtime/kusama/constants/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/constants/src/weights/extrinsic_weights.rs b/polkadot/runtime/kusama/constants/src/weights/extrinsic_weights.rs
index 9d07e32fb2..169740d3ae 100644
--- a/polkadot/runtime/kusama/constants/src/weights/extrinsic_weights.rs
+++ b/polkadot/runtime/kusama/constants/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/constants/src/weights/mod.rs b/polkadot/runtime/kusama/constants/src/weights/mod.rs
index 3f8bc612c0..23812ce7ed 100644
--- a/polkadot/runtime/kusama/constants/src/weights/mod.rs
+++ b/polkadot/runtime/kusama/constants/src/weights/mod.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/kusama/constants/src/weights/paritydb_weights.rs b/polkadot/runtime/kusama/constants/src/weights/paritydb_weights.rs
index 4338d928d8..2567970383 100644
--- a/polkadot/runtime/kusama/constants/src/weights/paritydb_weights.rs
+++ b/polkadot/runtime/kusama/constants/src/weights/paritydb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/kusama/constants/src/weights/rocksdb_weights.rs b/polkadot/runtime/kusama/constants/src/weights/rocksdb_weights.rs
index 1d115d963f..3dd817aa6f 100644
--- a/polkadot/runtime/kusama/constants/src/weights/rocksdb_weights.rs
+++ b/polkadot/runtime/kusama/constants/src/weights/rocksdb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/kusama/src/bag_thresholds.rs b/polkadot/runtime/kusama/src/bag_thresholds.rs
index 52f4a9d5c3..82dc4c3a81 100644
--- a/polkadot/runtime/kusama/src/bag_thresholds.rs
+++ b/polkadot/runtime/kusama/src/bag_thresholds.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/governance/fellowship.rs b/polkadot/runtime/kusama/src/governance/fellowship.rs
index 3e5acf0b4f..8837c19e0e 100644
--- a/polkadot/runtime/kusama/src/governance/fellowship.rs
+++ b/polkadot/runtime/kusama/src/governance/fellowship.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/governance/mod.rs b/polkadot/runtime/kusama/src/governance/mod.rs
index d7812e39d7..c8a7b360ed 100644
--- a/polkadot/runtime/kusama/src/governance/mod.rs
+++ b/polkadot/runtime/kusama/src/governance/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/governance/origins.rs b/polkadot/runtime/kusama/src/governance/origins.rs
index b02ff53f3b..85bca7dd97 100644
--- a/polkadot/runtime/kusama/src/governance/origins.rs
+++ b/polkadot/runtime/kusama/src/governance/origins.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/governance/tracks.rs b/polkadot/runtime/kusama/src/governance/tracks.rs
index 93b2312a76..08a87a677c 100644
--- a/polkadot/runtime/kusama/src/governance/tracks.rs
+++ b/polkadot/runtime/kusama/src/governance/tracks.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/lib.rs b/polkadot/runtime/kusama/src/lib.rs
index b4e22e094c..7d52c94692 100644
--- a/polkadot/runtime/kusama/src/lib.rs
+++ b/polkadot/runtime/kusama/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/tests.rs b/polkadot/runtime/kusama/src/tests.rs
index ef09a9dc61..c1bcf76ca8 100644
--- a/polkadot/runtime/kusama/src/tests.rs
+++ b/polkadot/runtime/kusama/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/frame_benchmarking_baseline.rs b/polkadot/runtime/kusama/src/weights/frame_benchmarking_baseline.rs
index 4f00c743b5..7d97d1ef7b 100644
--- a/polkadot/runtime/kusama/src/weights/frame_benchmarking_baseline.rs
+++ b/polkadot/runtime/kusama/src/weights/frame_benchmarking_baseline.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/frame_election_provider_support.rs b/polkadot/runtime/kusama/src/weights/frame_election_provider_support.rs
index 90a8b946ba..990fe2de45 100644
--- a/polkadot/runtime/kusama/src/weights/frame_election_provider_support.rs
+++ b/polkadot/runtime/kusama/src/weights/frame_election_provider_support.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/frame_system.rs b/polkadot/runtime/kusama/src/weights/frame_system.rs
index d840efb1ef..7cc58211ba 100644
--- a/polkadot/runtime/kusama/src/weights/frame_system.rs
+++ b/polkadot/runtime/kusama/src/weights/frame_system.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/mod.rs b/polkadot/runtime/kusama/src/weights/mod.rs
index ecc4e9822a..49c4486c17 100644
--- a/polkadot/runtime/kusama/src/weights/mod.rs
+++ b/polkadot/runtime/kusama/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/kusama/src/weights/pallet_bags_list.rs b/polkadot/runtime/kusama/src/weights/pallet_bags_list.rs
index d41dac22e6..84f983fc02 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_bags_list.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_bags_list.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_balances.rs b/polkadot/runtime/kusama/src/weights/pallet_balances.rs
index 1187d68ae8..a8498f52f8 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_balances.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_balances.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_balances_nis_counterpart_balances.rs b/polkadot/runtime/kusama/src/weights/pallet_balances_nis_counterpart_balances.rs
index 521efd5b95..a5c0b494fe 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_balances_nis_counterpart_balances.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_balances_nis_counterpart_balances.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_bounties.rs b/polkadot/runtime/kusama/src/weights/pallet_bounties.rs
index bd67e57279..5dbba85898 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_bounties.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_bounties.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_child_bounties.rs b/polkadot/runtime/kusama/src/weights/pallet_child_bounties.rs
index 793ace553f..4335682481 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_child_bounties.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_child_bounties.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_collective_council.rs b/polkadot/runtime/kusama/src/weights/pallet_collective_council.rs
index 82169403d4..84157595f7 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_collective_council.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_collective_council.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_collective_technical_committee.rs b/polkadot/runtime/kusama/src/weights/pallet_collective_technical_committee.rs
index 531cde3877..0bf5d2839b 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_collective_technical_committee.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_collective_technical_committee.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_conviction_voting.rs b/polkadot/runtime/kusama/src/weights/pallet_conviction_voting.rs
index 81d1d61051..47743abd73 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_conviction_voting.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_conviction_voting.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_democracy.rs b/polkadot/runtime/kusama/src/weights/pallet_democracy.rs
index d6f08ba76e..794c8c8159 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_democracy.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_democracy.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_election_provider_multi_phase.rs b/polkadot/runtime/kusama/src/weights/pallet_election_provider_multi_phase.rs
index ff0caff598..d2b42a491b 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_election_provider_multi_phase.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_election_provider_multi_phase.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_elections_phragmen.rs b/polkadot/runtime/kusama/src/weights/pallet_elections_phragmen.rs
index 350cf90e2d..a5c1c4dfd3 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_elections_phragmen.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_elections_phragmen.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_fast_unstake.rs b/polkadot/runtime/kusama/src/weights/pallet_fast_unstake.rs
index 733a7138d6..a90dcfe50d 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_fast_unstake.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_fast_unstake.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_identity.rs b/polkadot/runtime/kusama/src/weights/pallet_identity.rs
index ba3bf22f16..619463a46a 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_identity.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_identity.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_im_online.rs b/polkadot/runtime/kusama/src/weights/pallet_im_online.rs
index 99740b1587..b0ca85b470 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_im_online.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_im_online.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_indices.rs b/polkadot/runtime/kusama/src/weights/pallet_indices.rs
index ab055603f0..b08995cf86 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_indices.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_indices.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_membership.rs b/polkadot/runtime/kusama/src/weights/pallet_membership.rs
index 8d141aa72a..6b144bc879 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_membership.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_membership.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_multisig.rs b/polkadot/runtime/kusama/src/weights/pallet_multisig.rs
index beeca8d260..6de53758f5 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_multisig.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_multisig.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_nis.rs b/polkadot/runtime/kusama/src/weights/pallet_nis.rs
index 700e681f03..5d4bc0f5e3 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_nis.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_nis.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_nomination_pools.rs b/polkadot/runtime/kusama/src/weights/pallet_nomination_pools.rs
index 5465ec8517..00062535cd 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_nomination_pools.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_nomination_pools.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_preimage.rs b/polkadot/runtime/kusama/src/weights/pallet_preimage.rs
index c7b72da383..8d10e455b5 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_preimage.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_preimage.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_proxy.rs b/polkadot/runtime/kusama/src/weights/pallet_proxy.rs
index 82021d6afa..a348858104 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_proxy.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_proxy.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_ranked_collective.rs b/polkadot/runtime/kusama/src/weights/pallet_ranked_collective.rs
index 875457dd9e..ab3ff59404 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_ranked_collective.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_ranked_collective.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_referenda_fellowship_referenda.rs b/polkadot/runtime/kusama/src/weights/pallet_referenda_fellowship_referenda.rs
index afffafaa35..b93fb0eda3 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_referenda_fellowship_referenda.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_referenda_fellowship_referenda.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_referenda_referenda.rs b/polkadot/runtime/kusama/src/weights/pallet_referenda_referenda.rs
index 01d221d0b3..77bb6130e7 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_referenda_referenda.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_referenda_referenda.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_scheduler.rs b/polkadot/runtime/kusama/src/weights/pallet_scheduler.rs
index 7f053c36d9..7412215465 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_scheduler.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_scheduler.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_session.rs b/polkadot/runtime/kusama/src/weights/pallet_session.rs
index 07ccac674c..3f900297a1 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_session.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_session.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_staking.rs b/polkadot/runtime/kusama/src/weights/pallet_staking.rs
index e55261b68b..abffa45dde 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_staking.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_staking.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_timestamp.rs b/polkadot/runtime/kusama/src/weights/pallet_timestamp.rs
index 6700eb6e04..e2f45a0c76 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_timestamp.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_timestamp.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_tips.rs b/polkadot/runtime/kusama/src/weights/pallet_tips.rs
index 09c965970c..64729ed630 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_tips.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_tips.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_treasury.rs b/polkadot/runtime/kusama/src/weights/pallet_treasury.rs
index fce1d9dfca..fb9fd9fdc0 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_treasury.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_treasury.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_utility.rs b/polkadot/runtime/kusama/src/weights/pallet_utility.rs
index bb05a8990d..5640decc0a 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_utility.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_utility.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_vesting.rs b/polkadot/runtime/kusama/src/weights/pallet_vesting.rs
index 5fab7491f1..898b1cf0a6 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_vesting.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_vesting.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_whitelist.rs b/polkadot/runtime/kusama/src/weights/pallet_whitelist.rs
index f6826d521d..b2f155a91c 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_whitelist.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_whitelist.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/pallet_xcm.rs b/polkadot/runtime/kusama/src/weights/pallet_xcm.rs
index 0f2eb1eb47..66647e6f0a 100644
--- a/polkadot/runtime/kusama/src/weights/pallet_xcm.rs
+++ b/polkadot/runtime/kusama/src/weights/pallet_xcm.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_common_auctions.rs b/polkadot/runtime/kusama/src/weights/runtime_common_auctions.rs
index 95c4e4c18d..446383f396 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_common_auctions.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_common_auctions.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_common_claims.rs b/polkadot/runtime/kusama/src/weights/runtime_common_claims.rs
index f0a29f3bd6..770bf68555 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_common_claims.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_common_claims.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_common_crowdloan.rs b/polkadot/runtime/kusama/src/weights/runtime_common_crowdloan.rs
index 63a83902b2..01e32776ea 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_common_crowdloan.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_common_crowdloan.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_common_paras_registrar.rs b/polkadot/runtime/kusama/src/weights/runtime_common_paras_registrar.rs
index 19ee348b84..4c9f8325e0 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_common_paras_registrar.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_common_paras_registrar.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_common_slots.rs b/polkadot/runtime/kusama/src/weights/runtime_common_slots.rs
index 99670e0d6d..3150976672 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_common_slots.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_common_slots.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_parachains_configuration.rs b/polkadot/runtime/kusama/src/weights/runtime_parachains_configuration.rs
index 8b2aa12d2d..b5a194796b 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_parachains_configuration.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_parachains_configuration.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_parachains_disputes.rs b/polkadot/runtime/kusama/src/weights/runtime_parachains_disputes.rs
index a0b34263b6..b9daf35fc0 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_parachains_disputes.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_parachains_disputes.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_parachains_disputes_slashing.rs b/polkadot/runtime/kusama/src/weights/runtime_parachains_disputes_slashing.rs
index 269e53034e..07cec1aa36 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_parachains_disputes_slashing.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_parachains_disputes_slashing.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_parachains_hrmp.rs b/polkadot/runtime/kusama/src/weights/runtime_parachains_hrmp.rs
index 3d47da0d91..61d7d0e376 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_parachains_hrmp.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_parachains_hrmp.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_parachains_initializer.rs b/polkadot/runtime/kusama/src/weights/runtime_parachains_initializer.rs
index c49364c816..6fd49d3f42 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_parachains_initializer.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_parachains_initializer.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_parachains_paras.rs b/polkadot/runtime/kusama/src/weights/runtime_parachains_paras.rs
index 48ee66b8f4..548e375fd8 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_parachains_paras.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_parachains_paras.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_parachains_paras_inherent.rs b/polkadot/runtime/kusama/src/weights/runtime_parachains_paras_inherent.rs
index c4742da4e5..cf7822b057 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_parachains_paras_inherent.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_parachains_paras_inherent.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/runtime_parachains_ump.rs b/polkadot/runtime/kusama/src/weights/runtime_parachains_ump.rs
index fe9baf7e3a..d9995f7898 100644
--- a/polkadot/runtime/kusama/src/weights/runtime_parachains_ump.rs
+++ b/polkadot/runtime/kusama/src/weights/runtime_parachains_ump.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/xcm/mod.rs b/polkadot/runtime/kusama/src/weights/xcm/mod.rs
index 09c6bfa3a3..2cb84f4484 100644
--- a/polkadot/runtime/kusama/src/weights/xcm/mod.rs
+++ b/polkadot/runtime/kusama/src/weights/xcm/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs b/polkadot/runtime/kusama/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs
index 5cece107f4..480e509b82 100644
--- a/polkadot/runtime/kusama/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs
+++ b/polkadot/runtime/kusama/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/weights/xcm/pallet_xcm_benchmarks_generic.rs b/polkadot/runtime/kusama/src/weights/xcm/pallet_xcm_benchmarks_generic.rs
index f92e513ff8..4bc4c74af5 100644
--- a/polkadot/runtime/kusama/src/weights/xcm/pallet_xcm_benchmarks_generic.rs
+++ b/polkadot/runtime/kusama/src/weights/xcm/pallet_xcm_benchmarks_generic.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/kusama/src/xcm_config.rs b/polkadot/runtime/kusama/src/xcm_config.rs
index f08f736f07..289ea118d7 100644
--- a/polkadot/runtime/kusama/src/xcm_config.rs
+++ b/polkadot/runtime/kusama/src/xcm_config.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/metrics/src/lib.rs b/polkadot/runtime/metrics/src/lib.rs
index a56b94404f..6164d71f11 100644
--- a/polkadot/runtime/metrics/src/lib.rs
+++ b/polkadot/runtime/metrics/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/metrics/src/with_runtime_metrics.rs b/polkadot/runtime/metrics/src/with_runtime_metrics.rs
index 351e329457..562aa9ca16 100644
--- a/polkadot/runtime/metrics/src/with_runtime_metrics.rs
+++ b/polkadot/runtime/metrics/src/with_runtime_metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/metrics/src/without_runtime_metrics.rs b/polkadot/runtime/metrics/src/without_runtime_metrics.rs
index 25e9f83807..41d9c24635 100644
--- a/polkadot/runtime/metrics/src/without_runtime_metrics.rs
+++ b/polkadot/runtime/metrics/src/without_runtime_metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/builder.rs b/polkadot/runtime/parachains/src/builder.rs
index 97be7681e4..452c4c255e 100644
--- a/polkadot/runtime/parachains/src/builder.rs
+++ b/polkadot/runtime/parachains/src/builder.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/configuration.rs b/polkadot/runtime/parachains/src/configuration.rs
index b314e47202..802e4751e2 100644
--- a/polkadot/runtime/parachains/src/configuration.rs
+++ b/polkadot/runtime/parachains/src/configuration.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/configuration/benchmarking.rs b/polkadot/runtime/parachains/src/configuration/benchmarking.rs
index 77333383e9..b8237b0145 100644
--- a/polkadot/runtime/parachains/src/configuration/benchmarking.rs
+++ b/polkadot/runtime/parachains/src/configuration/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/configuration/migration.rs b/polkadot/runtime/parachains/src/configuration/migration.rs
index 8606c15b76..fae8fe31fb 100644
--- a/polkadot/runtime/parachains/src/configuration/migration.rs
+++ b/polkadot/runtime/parachains/src/configuration/migration.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/configuration/tests.rs b/polkadot/runtime/parachains/src/configuration/tests.rs
index 76c46e1f70..d7cc934ce5 100644
--- a/polkadot/runtime/parachains/src/configuration/tests.rs
+++ b/polkadot/runtime/parachains/src/configuration/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/disputes.rs b/polkadot/runtime/parachains/src/disputes.rs
index 7bf16f2e3e..6e423bacaa 100644
--- a/polkadot/runtime/parachains/src/disputes.rs
+++ b/polkadot/runtime/parachains/src/disputes.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/disputes/benchmarking.rs b/polkadot/runtime/parachains/src/disputes/benchmarking.rs
index fc54c49293..05f4b3f1ac 100644
--- a/polkadot/runtime/parachains/src/disputes/benchmarking.rs
+++ b/polkadot/runtime/parachains/src/disputes/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/disputes/migration.rs b/polkadot/runtime/parachains/src/disputes/migration.rs
index 1aa3406224..ff9f2ca54d 100644
--- a/polkadot/runtime/parachains/src/disputes/migration.rs
+++ b/polkadot/runtime/parachains/src/disputes/migration.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/disputes/slashing.rs b/polkadot/runtime/parachains/src/disputes/slashing.rs
index fd127d7f07..02062eafe3 100644
--- a/polkadot/runtime/parachains/src/disputes/slashing.rs
+++ b/polkadot/runtime/parachains/src/disputes/slashing.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/disputes/slashing/benchmarking.rs b/polkadot/runtime/parachains/src/disputes/slashing/benchmarking.rs
index 0b328e3e57..d7f2eeed1a 100644
--- a/polkadot/runtime/parachains/src/disputes/slashing/benchmarking.rs
+++ b/polkadot/runtime/parachains/src/disputes/slashing/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/disputes/tests.rs b/polkadot/runtime/parachains/src/disputes/tests.rs
index afbfa4bc60..b40a5325ef 100644
--- a/polkadot/runtime/parachains/src/disputes/tests.rs
+++ b/polkadot/runtime/parachains/src/disputes/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/dmp.rs b/polkadot/runtime/parachains/src/dmp.rs
index 03a767eb42..e5ccac2647 100644
--- a/polkadot/runtime/parachains/src/dmp.rs
+++ b/polkadot/runtime/parachains/src/dmp.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/dmp/tests.rs b/polkadot/runtime/parachains/src/dmp/tests.rs
index a3d9b6e3ac..6e05f6c735 100644
--- a/polkadot/runtime/parachains/src/dmp/tests.rs
+++ b/polkadot/runtime/parachains/src/dmp/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/hrmp.rs b/polkadot/runtime/parachains/src/hrmp.rs
index fe87f85db7..034fac9ccf 100644
--- a/polkadot/runtime/parachains/src/hrmp.rs
+++ b/polkadot/runtime/parachains/src/hrmp.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/hrmp/benchmarking.rs b/polkadot/runtime/parachains/src/hrmp/benchmarking.rs
index a2d0e0a2c5..4ac524b124 100644
--- a/polkadot/runtime/parachains/src/hrmp/benchmarking.rs
+++ b/polkadot/runtime/parachains/src/hrmp/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/hrmp/tests.rs b/polkadot/runtime/parachains/src/hrmp/tests.rs
index 33737126db..65602782b1 100644
--- a/polkadot/runtime/parachains/src/hrmp/tests.rs
+++ b/polkadot/runtime/parachains/src/hrmp/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/inclusion/mod.rs b/polkadot/runtime/parachains/src/inclusion/mod.rs
index 4f2f530e12..7dc15ec504 100644
--- a/polkadot/runtime/parachains/src/inclusion/mod.rs
+++ b/polkadot/runtime/parachains/src/inclusion/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/inclusion/tests.rs b/polkadot/runtime/parachains/src/inclusion/tests.rs
index e0b3412583..d962e279df 100644
--- a/polkadot/runtime/parachains/src/inclusion/tests.rs
+++ b/polkadot/runtime/parachains/src/inclusion/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/initializer.rs b/polkadot/runtime/parachains/src/initializer.rs
index 8f59b687d9..ec50690b3c 100644
--- a/polkadot/runtime/parachains/src/initializer.rs
+++ b/polkadot/runtime/parachains/src/initializer.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/initializer/benchmarking.rs b/polkadot/runtime/parachains/src/initializer/benchmarking.rs
index ff9667e603..dd87ce9c9d 100644
--- a/polkadot/runtime/parachains/src/initializer/benchmarking.rs
+++ b/polkadot/runtime/parachains/src/initializer/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/initializer/tests.rs b/polkadot/runtime/parachains/src/initializer/tests.rs
index 9b5b38446e..b0993d739f 100644
--- a/polkadot/runtime/parachains/src/initializer/tests.rs
+++ b/polkadot/runtime/parachains/src/initializer/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/lib.rs b/polkadot/runtime/parachains/src/lib.rs
index c45f0d4460..ad884802ff 100644
--- a/polkadot/runtime/parachains/src/lib.rs
+++ b/polkadot/runtime/parachains/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/metrics.rs b/polkadot/runtime/parachains/src/metrics.rs
index 9a96646256..9c6cc344fa 100644
--- a/polkadot/runtime/parachains/src/metrics.rs
+++ b/polkadot/runtime/parachains/src/metrics.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/mock.rs b/polkadot/runtime/parachains/src/mock.rs
index fb6946a016..93be0fd54b 100644
--- a/polkadot/runtime/parachains/src/mock.rs
+++ b/polkadot/runtime/parachains/src/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/origin.rs b/polkadot/runtime/parachains/src/origin.rs
index cbb662c6ee..14f8c3786c 100644
--- a/polkadot/runtime/parachains/src/origin.rs
+++ b/polkadot/runtime/parachains/src/origin.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/paras/benchmarking.rs b/polkadot/runtime/parachains/src/paras/benchmarking.rs
index 0d961c94bf..b3dbb62896 100644
--- a/polkadot/runtime/parachains/src/paras/benchmarking.rs
+++ b/polkadot/runtime/parachains/src/paras/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/paras/benchmarking/pvf_check.rs b/polkadot/runtime/parachains/src/paras/benchmarking/pvf_check.rs
index a16c016531..d13ce1a4ae 100644
--- a/polkadot/runtime/parachains/src/paras/benchmarking/pvf_check.rs
+++ b/polkadot/runtime/parachains/src/paras/benchmarking/pvf_check.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/paras/mod.rs b/polkadot/runtime/parachains/src/paras/mod.rs
index 93988c5a65..b4818e86c2 100644
--- a/polkadot/runtime/parachains/src/paras/mod.rs
+++ b/polkadot/runtime/parachains/src/paras/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/paras/tests.rs b/polkadot/runtime/parachains/src/paras/tests.rs
index dff5222baa..d8988ab6a3 100644
--- a/polkadot/runtime/parachains/src/paras/tests.rs
+++ b/polkadot/runtime/parachains/src/paras/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/paras_inherent/benchmarking.rs b/polkadot/runtime/parachains/src/paras_inherent/benchmarking.rs
index b8cc90d92b..3043127c31 100644
--- a/polkadot/runtime/parachains/src/paras_inherent/benchmarking.rs
+++ b/polkadot/runtime/parachains/src/paras_inherent/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/paras_inherent/misc.rs b/polkadot/runtime/parachains/src/paras_inherent/misc.rs
index 4f21983053..e77b26b9e1 100644
--- a/polkadot/runtime/parachains/src/paras_inherent/misc.rs
+++ b/polkadot/runtime/parachains/src/paras_inherent/misc.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/paras_inherent/mod.rs b/polkadot/runtime/parachains/src/paras_inherent/mod.rs
index 6773d9f7ca..550e1fdec3 100644
--- a/polkadot/runtime/parachains/src/paras_inherent/mod.rs
+++ b/polkadot/runtime/parachains/src/paras_inherent/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/paras_inherent/tests.rs b/polkadot/runtime/parachains/src/paras_inherent/tests.rs
index 73c5ce7b0b..f499b0a5ae 100644
--- a/polkadot/runtime/parachains/src/paras_inherent/tests.rs
+++ b/polkadot/runtime/parachains/src/paras_inherent/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/paras_inherent/weights.rs b/polkadot/runtime/parachains/src/paras_inherent/weights.rs
index 4d5fdc27d9..f6e1262f5e 100644
--- a/polkadot/runtime/parachains/src/paras_inherent/weights.rs
+++ b/polkadot/runtime/parachains/src/paras_inherent/weights.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/reward_points.rs b/polkadot/runtime/parachains/src/reward_points.rs
index e3945558f2..e9a9c5547a 100644
--- a/polkadot/runtime/parachains/src/reward_points.rs
+++ b/polkadot/runtime/parachains/src/reward_points.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/runtime_api_impl/mod.rs b/polkadot/runtime/parachains/src/runtime_api_impl/mod.rs
index e5a17f33f3..6f0ee54f6f 100644
--- a/polkadot/runtime/parachains/src/runtime_api_impl/mod.rs
+++ b/polkadot/runtime/parachains/src/runtime_api_impl/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/runtime_api_impl/v4.rs b/polkadot/runtime/parachains/src/runtime_api_impl/v4.rs
index da34a0723a..c9cc637852 100644
--- a/polkadot/runtime/parachains/src/runtime_api_impl/v4.rs
+++ b/polkadot/runtime/parachains/src/runtime_api_impl/v4.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/runtime_api_impl/vstaging.rs b/polkadot/runtime/parachains/src/runtime_api_impl/vstaging.rs
index c6ab554030..d01b543630 100644
--- a/polkadot/runtime/parachains/src/runtime_api_impl/vstaging.rs
+++ b/polkadot/runtime/parachains/src/runtime_api_impl/vstaging.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/scheduler.rs b/polkadot/runtime/parachains/src/scheduler.rs
index c27bfb6fc4..cf47fc777c 100644
--- a/polkadot/runtime/parachains/src/scheduler.rs
+++ b/polkadot/runtime/parachains/src/scheduler.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/scheduler/tests.rs b/polkadot/runtime/parachains/src/scheduler/tests.rs
index 76bdc563d8..cde7fa6534 100644
--- a/polkadot/runtime/parachains/src/scheduler/tests.rs
+++ b/polkadot/runtime/parachains/src/scheduler/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/session_info.rs b/polkadot/runtime/parachains/src/session_info.rs
index df0dd5cc78..dc2a2b5e46 100644
--- a/polkadot/runtime/parachains/src/session_info.rs
+++ b/polkadot/runtime/parachains/src/session_info.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/session_info/migration.rs b/polkadot/runtime/parachains/src/session_info/migration.rs
index c0ec1e5915..228c1e3bb2 100644
--- a/polkadot/runtime/parachains/src/session_info/migration.rs
+++ b/polkadot/runtime/parachains/src/session_info/migration.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/session_info/tests.rs b/polkadot/runtime/parachains/src/session_info/tests.rs
index b3e14340db..63226fb7cf 100644
--- a/polkadot/runtime/parachains/src/session_info/tests.rs
+++ b/polkadot/runtime/parachains/src/session_info/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/shared.rs b/polkadot/runtime/parachains/src/shared.rs
index 3cc59c3287..ed094c953f 100644
--- a/polkadot/runtime/parachains/src/shared.rs
+++ b/polkadot/runtime/parachains/src/shared.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/shared/tests.rs b/polkadot/runtime/parachains/src/shared/tests.rs
index 0113c3539d..cf787f6b8a 100644
--- a/polkadot/runtime/parachains/src/shared/tests.rs
+++ b/polkadot/runtime/parachains/src/shared/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/ump.rs b/polkadot/runtime/parachains/src/ump.rs
index 0a6fc06db9..be761b4236 100644
--- a/polkadot/runtime/parachains/src/ump.rs
+++ b/polkadot/runtime/parachains/src/ump.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/ump/benchmarking.rs b/polkadot/runtime/parachains/src/ump/benchmarking.rs
index 22860d2abb..5611049809 100644
--- a/polkadot/runtime/parachains/src/ump/benchmarking.rs
+++ b/polkadot/runtime/parachains/src/ump/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/ump/migration.rs b/polkadot/runtime/parachains/src/ump/migration.rs
index 666d224b4b..d77cf320c6 100644
--- a/polkadot/runtime/parachains/src/ump/migration.rs
+++ b/polkadot/runtime/parachains/src/ump/migration.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/ump/tests.rs b/polkadot/runtime/parachains/src/ump/tests.rs
index 60cc02ff0f..12a217927d 100644
--- a/polkadot/runtime/parachains/src/ump/tests.rs
+++ b/polkadot/runtime/parachains/src/ump/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/parachains/src/util.rs b/polkadot/runtime/parachains/src/util.rs
index b4e552d4c9..bf037b54a9 100644
--- a/polkadot/runtime/parachains/src/util.rs
+++ b/polkadot/runtime/parachains/src/util.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/build.rs b/polkadot/runtime/polkadot/build.rs
index e4a139a06a..428c971bc1 100644
--- a/polkadot/runtime/polkadot/build.rs
+++ b/polkadot/runtime/polkadot/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/constants/src/lib.rs b/polkadot/runtime/polkadot/constants/src/lib.rs
index 6aec6768e8..304d86d1dd 100644
--- a/polkadot/runtime/polkadot/constants/src/lib.rs
+++ b/polkadot/runtime/polkadot/constants/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/constants/src/weights/block_weights.rs b/polkadot/runtime/polkadot/constants/src/weights/block_weights.rs
index e7cfbc093b..d3b95fd043 100644
--- a/polkadot/runtime/polkadot/constants/src/weights/block_weights.rs
+++ b/polkadot/runtime/polkadot/constants/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/constants/src/weights/extrinsic_weights.rs b/polkadot/runtime/polkadot/constants/src/weights/extrinsic_weights.rs
index a9b401433e..1427ec3a6d 100644
--- a/polkadot/runtime/polkadot/constants/src/weights/extrinsic_weights.rs
+++ b/polkadot/runtime/polkadot/constants/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/constants/src/weights/mod.rs b/polkadot/runtime/polkadot/constants/src/weights/mod.rs
index 3f8bc612c0..23812ce7ed 100644
--- a/polkadot/runtime/polkadot/constants/src/weights/mod.rs
+++ b/polkadot/runtime/polkadot/constants/src/weights/mod.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/polkadot/constants/src/weights/paritydb_weights.rs b/polkadot/runtime/polkadot/constants/src/weights/paritydb_weights.rs
index 95c91e5182..ae7bedc394 100644
--- a/polkadot/runtime/polkadot/constants/src/weights/paritydb_weights.rs
+++ b/polkadot/runtime/polkadot/constants/src/weights/paritydb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/polkadot/constants/src/weights/rocksdb_weights.rs b/polkadot/runtime/polkadot/constants/src/weights/rocksdb_weights.rs
index cfc480ce94..029f892b01 100644
--- a/polkadot/runtime/polkadot/constants/src/weights/rocksdb_weights.rs
+++ b/polkadot/runtime/polkadot/constants/src/weights/rocksdb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/polkadot/src/bag_thresholds.rs b/polkadot/runtime/polkadot/src/bag_thresholds.rs
index 2eb2158d8f..56c764f7a6 100644
--- a/polkadot/runtime/polkadot/src/bag_thresholds.rs
+++ b/polkadot/runtime/polkadot/src/bag_thresholds.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/governance/mod.rs b/polkadot/runtime/polkadot/src/governance/mod.rs
index a595db3320..4cd9eeacd8 100644
--- a/polkadot/runtime/polkadot/src/governance/mod.rs
+++ b/polkadot/runtime/polkadot/src/governance/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/governance/old.rs b/polkadot/runtime/polkadot/src/governance/old.rs
index fcded42a20..f4eb7a2f2e 100644
--- a/polkadot/runtime/polkadot/src/governance/old.rs
+++ b/polkadot/runtime/polkadot/src/governance/old.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/governance/origins.rs b/polkadot/runtime/polkadot/src/governance/origins.rs
index 0cf5834d1f..a4d13bb3c6 100644
--- a/polkadot/runtime/polkadot/src/governance/origins.rs
+++ b/polkadot/runtime/polkadot/src/governance/origins.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/governance/tracks.rs b/polkadot/runtime/polkadot/src/governance/tracks.rs
index 862ab79c73..2b6d470e51 100644
--- a/polkadot/runtime/polkadot/src/governance/tracks.rs
+++ b/polkadot/runtime/polkadot/src/governance/tracks.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/lib.rs b/polkadot/runtime/polkadot/src/lib.rs
index 1710c23c74..70f1fc52bf 100644
--- a/polkadot/runtime/polkadot/src/lib.rs
+++ b/polkadot/runtime/polkadot/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/frame_benchmarking_baseline.rs b/polkadot/runtime/polkadot/src/weights/frame_benchmarking_baseline.rs
index 36907c2f51..93ea86ddd3 100644
--- a/polkadot/runtime/polkadot/src/weights/frame_benchmarking_baseline.rs
+++ b/polkadot/runtime/polkadot/src/weights/frame_benchmarking_baseline.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/frame_election_provider_support.rs b/polkadot/runtime/polkadot/src/weights/frame_election_provider_support.rs
index 7b1fff0370..85d2eb32d9 100644
--- a/polkadot/runtime/polkadot/src/weights/frame_election_provider_support.rs
+++ b/polkadot/runtime/polkadot/src/weights/frame_election_provider_support.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/frame_system.rs b/polkadot/runtime/polkadot/src/weights/frame_system.rs
index 4468743c43..f892164582 100644
--- a/polkadot/runtime/polkadot/src/weights/frame_system.rs
+++ b/polkadot/runtime/polkadot/src/weights/frame_system.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/mod.rs b/polkadot/runtime/polkadot/src/weights/mod.rs
index f14ee2eef6..d9471c6a3f 100644
--- a/polkadot/runtime/polkadot/src/weights/mod.rs
+++ b/polkadot/runtime/polkadot/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_bags_list.rs b/polkadot/runtime/polkadot/src/weights/pallet_bags_list.rs
index d158aded4a..416818787f 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_bags_list.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_bags_list.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_balances.rs b/polkadot/runtime/polkadot/src/weights/pallet_balances.rs
index 8828c2ac9e..36f50f143a 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_balances.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_balances.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_bounties.rs b/polkadot/runtime/polkadot/src/weights/pallet_bounties.rs
index 367038fee7..2da6857be7 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_bounties.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_bounties.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_child_bounties.rs b/polkadot/runtime/polkadot/src/weights/pallet_child_bounties.rs
index 0d3478f05e..771ea50a97 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_child_bounties.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_child_bounties.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_collective_council.rs b/polkadot/runtime/polkadot/src/weights/pallet_collective_council.rs
index ef197afccd..a9cb221b2d 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_collective_council.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_collective_council.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_collective_technical_committee.rs b/polkadot/runtime/polkadot/src/weights/pallet_collective_technical_committee.rs
index e63dd15e44..7c088ba3b2 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_collective_technical_committee.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_collective_technical_committee.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_conviction_voting.rs b/polkadot/runtime/polkadot/src/weights/pallet_conviction_voting.rs
index 82f6ea3acb..6f9e37f7f5 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_conviction_voting.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_conviction_voting.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_democracy.rs b/polkadot/runtime/polkadot/src/weights/pallet_democracy.rs
index 0f43cfbc6e..8532543fcb 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_democracy.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_democracy.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_election_provider_multi_phase.rs b/polkadot/runtime/polkadot/src/weights/pallet_election_provider_multi_phase.rs
index cbb8a0a4d2..8e59d83597 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_election_provider_multi_phase.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_election_provider_multi_phase.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_elections_phragmen.rs b/polkadot/runtime/polkadot/src/weights/pallet_elections_phragmen.rs
index 72b6ec066f..9acfa15d55 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_elections_phragmen.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_elections_phragmen.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_fast_unstake.rs b/polkadot/runtime/polkadot/src/weights/pallet_fast_unstake.rs
index 6f6da08f72..3099a6c961 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_fast_unstake.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_fast_unstake.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_identity.rs b/polkadot/runtime/polkadot/src/weights/pallet_identity.rs
index 5ce738a57a..c2c1daf81b 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_identity.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_identity.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_im_online.rs b/polkadot/runtime/polkadot/src/weights/pallet_im_online.rs
index f152c52b25..4e73799b76 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_im_online.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_im_online.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_indices.rs b/polkadot/runtime/polkadot/src/weights/pallet_indices.rs
index 6ddf36fb55..c0416d8110 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_indices.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_indices.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_membership.rs b/polkadot/runtime/polkadot/src/weights/pallet_membership.rs
index 5385930dcf..fac39d4151 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_membership.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_membership.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_multisig.rs b/polkadot/runtime/polkadot/src/weights/pallet_multisig.rs
index 71f0925c01..65b044b939 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_multisig.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_multisig.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_nomination_pools.rs b/polkadot/runtime/polkadot/src/weights/pallet_nomination_pools.rs
index 0d5e9a8da2..cb5ddb8cab 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_nomination_pools.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_nomination_pools.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_preimage.rs b/polkadot/runtime/polkadot/src/weights/pallet_preimage.rs
index 05804b3acf..9d5a5a1fcf 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_preimage.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_preimage.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_proxy.rs b/polkadot/runtime/polkadot/src/weights/pallet_proxy.rs
index b4bb0cbc1f..569416e14b 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_proxy.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_proxy.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_referenda.rs b/polkadot/runtime/polkadot/src/weights/pallet_referenda.rs
index 5ebe89b694..2569c88f36 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_referenda.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_referenda.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_scheduler.rs b/polkadot/runtime/polkadot/src/weights/pallet_scheduler.rs
index a74b3d386a..ca161203f0 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_scheduler.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_scheduler.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_session.rs b/polkadot/runtime/polkadot/src/weights/pallet_session.rs
index 20f15e4847..16ea3ebef7 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_session.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_session.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_staking.rs b/polkadot/runtime/polkadot/src/weights/pallet_staking.rs
index dfb559fe1f..8e6b123bab 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_staking.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_staking.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_timestamp.rs b/polkadot/runtime/polkadot/src/weights/pallet_timestamp.rs
index 9b71a87c6d..424eaf04d7 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_timestamp.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_timestamp.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_tips.rs b/polkadot/runtime/polkadot/src/weights/pallet_tips.rs
index f358f3878e..f05006fad6 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_tips.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_tips.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_treasury.rs b/polkadot/runtime/polkadot/src/weights/pallet_treasury.rs
index 2eb4fd0783..2212be26b3 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_treasury.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_treasury.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_utility.rs b/polkadot/runtime/polkadot/src/weights/pallet_utility.rs
index 0e4c8c912e..3642ee6d03 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_utility.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_utility.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_vesting.rs b/polkadot/runtime/polkadot/src/weights/pallet_vesting.rs
index aef37c862b..ede61ecef9 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_vesting.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_vesting.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_whitelist.rs b/polkadot/runtime/polkadot/src/weights/pallet_whitelist.rs
index 552d0df189..e5935afa76 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_whitelist.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_whitelist.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/pallet_xcm.rs b/polkadot/runtime/polkadot/src/weights/pallet_xcm.rs
index a2a7d1861d..9d30e7bb49 100644
--- a/polkadot/runtime/polkadot/src/weights/pallet_xcm.rs
+++ b/polkadot/runtime/polkadot/src/weights/pallet_xcm.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_common_auctions.rs b/polkadot/runtime/polkadot/src/weights/runtime_common_auctions.rs
index fe87665a06..dd772c9d75 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_common_auctions.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_common_auctions.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_common_claims.rs b/polkadot/runtime/polkadot/src/weights/runtime_common_claims.rs
index 87d1cd5c1d..b8fe571599 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_common_claims.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_common_claims.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_common_crowdloan.rs b/polkadot/runtime/polkadot/src/weights/runtime_common_crowdloan.rs
index 78ca3d18cd..b1f18f2b8e 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_common_crowdloan.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_common_crowdloan.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_common_paras_registrar.rs b/polkadot/runtime/polkadot/src/weights/runtime_common_paras_registrar.rs
index 4208f7c022..6e7c8d3fb8 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_common_paras_registrar.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_common_paras_registrar.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_common_slots.rs b/polkadot/runtime/polkadot/src/weights/runtime_common_slots.rs
index e11b22b6d7..b21ab26664 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_common_slots.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_common_slots.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_parachains_configuration.rs b/polkadot/runtime/polkadot/src/weights/runtime_parachains_configuration.rs
index c60b354f44..35ff4e8c94 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_parachains_configuration.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_parachains_configuration.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_parachains_disputes.rs b/polkadot/runtime/polkadot/src/weights/runtime_parachains_disputes.rs
index dde80600f0..3db45f2d74 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_parachains_disputes.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_parachains_disputes.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_parachains_hrmp.rs b/polkadot/runtime/polkadot/src/weights/runtime_parachains_hrmp.rs
index e6b6758093..b589a50610 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_parachains_hrmp.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_parachains_hrmp.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_parachains_initializer.rs b/polkadot/runtime/polkadot/src/weights/runtime_parachains_initializer.rs
index d4f7ca2b3a..f90630ed34 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_parachains_initializer.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_parachains_initializer.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_parachains_paras.rs b/polkadot/runtime/polkadot/src/weights/runtime_parachains_paras.rs
index 9307c2c77b..c6d1a7d448 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_parachains_paras.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_parachains_paras.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_parachains_paras_inherent.rs b/polkadot/runtime/polkadot/src/weights/runtime_parachains_paras_inherent.rs
index 397e404739..ed914bfd6d 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_parachains_paras_inherent.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_parachains_paras_inherent.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/weights/runtime_parachains_ump.rs b/polkadot/runtime/polkadot/src/weights/runtime_parachains_ump.rs
index 2d67909a2f..45ad94073c 100644
--- a/polkadot/runtime/polkadot/src/weights/runtime_parachains_ump.rs
+++ b/polkadot/runtime/polkadot/src/weights/runtime_parachains_ump.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/polkadot/src/xcm_config.rs b/polkadot/runtime/polkadot/src/xcm_config.rs
index 41a6f034fc..5aa841564b 100644
--- a/polkadot/runtime/polkadot/src/xcm_config.rs
+++ b/polkadot/runtime/polkadot/src/xcm_config.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/build.rs b/polkadot/runtime/rococo/build.rs
index f287ec0e1e..e7134e0ef7 100644
--- a/polkadot/runtime/rococo/build.rs
+++ b/polkadot/runtime/rococo/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/constants/src/lib.rs b/polkadot/runtime/rococo/constants/src/lib.rs
index 0683bc377e..214e2f3fa9 100644
--- a/polkadot/runtime/rococo/constants/src/lib.rs
+++ b/polkadot/runtime/rococo/constants/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/constants/src/weights/block_weights.rs b/polkadot/runtime/rococo/constants/src/weights/block_weights.rs
index 2e82609143..35e604eb13 100644
--- a/polkadot/runtime/rococo/constants/src/weights/block_weights.rs
+++ b/polkadot/runtime/rococo/constants/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/constants/src/weights/extrinsic_weights.rs b/polkadot/runtime/rococo/constants/src/weights/extrinsic_weights.rs
index ed41c0bbf5..06b390b121 100644
--- a/polkadot/runtime/rococo/constants/src/weights/extrinsic_weights.rs
+++ b/polkadot/runtime/rococo/constants/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/constants/src/weights/mod.rs b/polkadot/runtime/rococo/constants/src/weights/mod.rs
index 3f8bc612c0..23812ce7ed 100644
--- a/polkadot/runtime/rococo/constants/src/weights/mod.rs
+++ b/polkadot/runtime/rococo/constants/src/weights/mod.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/rococo/constants/src/weights/paritydb_weights.rs b/polkadot/runtime/rococo/constants/src/weights/paritydb_weights.rs
index 4338d928d8..2567970383 100644
--- a/polkadot/runtime/rococo/constants/src/weights/paritydb_weights.rs
+++ b/polkadot/runtime/rococo/constants/src/weights/paritydb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/rococo/constants/src/weights/rocksdb_weights.rs b/polkadot/runtime/rococo/constants/src/weights/rocksdb_weights.rs
index 1d115d963f..3dd817aa6f 100644
--- a/polkadot/runtime/rococo/constants/src/weights/rocksdb_weights.rs
+++ b/polkadot/runtime/rococo/constants/src/weights/rocksdb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/rococo/src/lib.rs b/polkadot/runtime/rococo/src/lib.rs
index 139a65c734..58373396d1 100644
--- a/polkadot/runtime/rococo/src/lib.rs
+++ b/polkadot/runtime/rococo/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/validator_manager.rs b/polkadot/runtime/rococo/src/validator_manager.rs
index 3bd705a586..0677ba7fbb 100644
--- a/polkadot/runtime/rococo/src/validator_manager.rs
+++ b/polkadot/runtime/rococo/src/validator_manager.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/frame_benchmarking_baseline.rs b/polkadot/runtime/rococo/src/weights/frame_benchmarking_baseline.rs
index 71f75c7da3..324b9037dd 100644
--- a/polkadot/runtime/rococo/src/weights/frame_benchmarking_baseline.rs
+++ b/polkadot/runtime/rococo/src/weights/frame_benchmarking_baseline.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/frame_system.rs b/polkadot/runtime/rococo/src/weights/frame_system.rs
index 15403b93d0..c46a4e76a6 100644
--- a/polkadot/runtime/rococo/src/weights/frame_system.rs
+++ b/polkadot/runtime/rococo/src/weights/frame_system.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/mod.rs b/polkadot/runtime/rococo/src/weights/mod.rs
index e6b345c37b..372d03722a 100644
--- a/polkadot/runtime/rococo/src/weights/mod.rs
+++ b/polkadot/runtime/rococo/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/rococo/src/weights/pallet_balances.rs b/polkadot/runtime/rococo/src/weights/pallet_balances.rs
index 463f0a2e87..972c097372 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_balances.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_balances.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_balances_nis_counterpart_balances.rs b/polkadot/runtime/rococo/src/weights/pallet_balances_nis_counterpart_balances.rs
index 045f062734..b98aaefef4 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_balances_nis_counterpart_balances.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_balances_nis_counterpart_balances.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_bounties.rs b/polkadot/runtime/rococo/src/weights/pallet_bounties.rs
index 98a402e9db..e3faccb0b8 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_bounties.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_bounties.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_child_bounties.rs b/polkadot/runtime/rococo/src/weights/pallet_child_bounties.rs
index 1f60677884..b21789623c 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_child_bounties.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_child_bounties.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_collective.rs b/polkadot/runtime/rococo/src/weights/pallet_collective.rs
index 610f916049..9bf6671e22 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_collective.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_collective.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_collective_council.rs b/polkadot/runtime/rococo/src/weights/pallet_collective_council.rs
index c3b2e64d74..756605402b 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_collective_council.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_collective_council.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_collective_technical_committee.rs b/polkadot/runtime/rococo/src/weights/pallet_collective_technical_committee.rs
index e6fa162f03..72f311427b 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_collective_technical_committee.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_collective_technical_committee.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_democracy.rs b/polkadot/runtime/rococo/src/weights/pallet_democracy.rs
index 777c26fc1e..f5531a6e34 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_democracy.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_democracy.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_elections_phragmen.rs b/polkadot/runtime/rococo/src/weights/pallet_elections_phragmen.rs
index 730e8c1a7b..294b3e5003 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_elections_phragmen.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_elections_phragmen.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_identity.rs b/polkadot/runtime/rococo/src/weights/pallet_identity.rs
index 1b648b103e..c2afd0374b 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_identity.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_identity.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_im_online.rs b/polkadot/runtime/rococo/src/weights/pallet_im_online.rs
index 40721bfff1..68c9a79b28 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_im_online.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_im_online.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_indices.rs b/polkadot/runtime/rococo/src/weights/pallet_indices.rs
index 2cccda8169..0c5caf84a5 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_indices.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_indices.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_membership.rs b/polkadot/runtime/rococo/src/weights/pallet_membership.rs
index 8fa5b12331..311938109f 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_membership.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_membership.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_multisig.rs b/polkadot/runtime/rococo/src/weights/pallet_multisig.rs
index 2ee8a9e129..65d075e225 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_multisig.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_multisig.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_nis.rs b/polkadot/runtime/rococo/src/weights/pallet_nis.rs
index 7d0599b279..c814b0cb70 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_nis.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_nis.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_preimage.rs b/polkadot/runtime/rococo/src/weights/pallet_preimage.rs
index e4df10caf4..eff8845bfd 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_preimage.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_preimage.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_proxy.rs b/polkadot/runtime/rococo/src/weights/pallet_proxy.rs
index 4324ea090b..95933eadbd 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_proxy.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_proxy.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_scheduler.rs b/polkadot/runtime/rococo/src/weights/pallet_scheduler.rs
index 2e66c8ceab..1fbb5065e6 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_scheduler.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_scheduler.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_session.rs b/polkadot/runtime/rococo/src/weights/pallet_session.rs
index 518e323be1..dbeca534ad 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_session.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_session.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_timestamp.rs b/polkadot/runtime/rococo/src/weights/pallet_timestamp.rs
index 9fe54ab74b..d52f321a61 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_timestamp.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_timestamp.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_tips.rs b/polkadot/runtime/rococo/src/weights/pallet_tips.rs
index 8b6e875233..7940ecc6d5 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_tips.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_tips.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_treasury.rs b/polkadot/runtime/rococo/src/weights/pallet_treasury.rs
index d37d0add95..d159bb6ace 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_treasury.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_treasury.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_utility.rs b/polkadot/runtime/rococo/src/weights/pallet_utility.rs
index d7b1f09053..34211ea623 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_utility.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_utility.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_vesting.rs b/polkadot/runtime/rococo/src/weights/pallet_vesting.rs
index 419b67a4db..ef3f6519b1 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_vesting.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_vesting.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/pallet_xcm.rs b/polkadot/runtime/rococo/src/weights/pallet_xcm.rs
index 71123a1520..250d576b28 100644
--- a/polkadot/runtime/rococo/src/weights/pallet_xcm.rs
+++ b/polkadot/runtime/rococo/src/weights/pallet_xcm.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_common_auctions.rs b/polkadot/runtime/rococo/src/weights/runtime_common_auctions.rs
index c3131639a9..acb47f3165 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_common_auctions.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_common_auctions.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_common_claims.rs b/polkadot/runtime/rococo/src/weights/runtime_common_claims.rs
index 2d338fc1b8..c2725e90cc 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_common_claims.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_common_claims.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_common_crowdloan.rs b/polkadot/runtime/rococo/src/weights/runtime_common_crowdloan.rs
index 4935bc50ab..a084e4ee8c 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_common_crowdloan.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_common_crowdloan.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_common_paras_registrar.rs b/polkadot/runtime/rococo/src/weights/runtime_common_paras_registrar.rs
index 25c8a1b3cd..acc065a6c4 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_common_paras_registrar.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_common_paras_registrar.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_common_slots.rs b/polkadot/runtime/rococo/src/weights/runtime_common_slots.rs
index 6671b74506..4e1094ce92 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_common_slots.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_common_slots.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_parachains_configuration.rs b/polkadot/runtime/rococo/src/weights/runtime_parachains_configuration.rs
index 11b5ba9c43..8a7b1a354b 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_parachains_configuration.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_parachains_configuration.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_parachains_disputes.rs b/polkadot/runtime/rococo/src/weights/runtime_parachains_disputes.rs
index 21270cbb67..b32d256472 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_parachains_disputes.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_parachains_disputes.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_parachains_hrmp.rs b/polkadot/runtime/rococo/src/weights/runtime_parachains_hrmp.rs
index f217f151ba..32cc25c229 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_parachains_hrmp.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_parachains_hrmp.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_parachains_initializer.rs b/polkadot/runtime/rococo/src/weights/runtime_parachains_initializer.rs
index 6172b9a902..1b8183683a 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_parachains_initializer.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_parachains_initializer.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_parachains_paras.rs b/polkadot/runtime/rococo/src/weights/runtime_parachains_paras.rs
index e7618336e9..9eb78b7e95 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_parachains_paras.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_parachains_paras.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_parachains_paras_inherent.rs b/polkadot/runtime/rococo/src/weights/runtime_parachains_paras_inherent.rs
index 7df9411d24..a102d1903b 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_parachains_paras_inherent.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_parachains_paras_inherent.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/runtime_parachains_ump.rs b/polkadot/runtime/rococo/src/weights/runtime_parachains_ump.rs
index 74ee02f746..4fe7398c44 100644
--- a/polkadot/runtime/rococo/src/weights/runtime_parachains_ump.rs
+++ b/polkadot/runtime/rococo/src/weights/runtime_parachains_ump.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/xcm/mod.rs b/polkadot/runtime/rococo/src/weights/xcm/mod.rs
index fe894d3ad2..77bfabdac0 100644
--- a/polkadot/runtime/rococo/src/weights/xcm/mod.rs
+++ b/polkadot/runtime/rococo/src/weights/xcm/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs b/polkadot/runtime/rococo/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs
index 22f088b8ee..e8efa7ab95 100644
--- a/polkadot/runtime/rococo/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs
+++ b/polkadot/runtime/rococo/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/weights/xcm/pallet_xcm_benchmarks_generic.rs b/polkadot/runtime/rococo/src/weights/xcm/pallet_xcm_benchmarks_generic.rs
index 7c9a8ea0f3..d49345abf8 100644
--- a/polkadot/runtime/rococo/src/weights/xcm/pallet_xcm_benchmarks_generic.rs
+++ b/polkadot/runtime/rococo/src/weights/xcm/pallet_xcm_benchmarks_generic.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/rococo/src/xcm_config.rs b/polkadot/runtime/rococo/src/xcm_config.rs
index 31a6c38e8d..872bbbe1a0 100644
--- a/polkadot/runtime/rococo/src/xcm_config.rs
+++ b/polkadot/runtime/rococo/src/xcm_config.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/test-runtime/build.rs b/polkadot/runtime/test-runtime/build.rs
index a75ebb4edb..404ba3f2fd 100644
--- a/polkadot/runtime/test-runtime/build.rs
+++ b/polkadot/runtime/test-runtime/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/test-runtime/constants/src/lib.rs b/polkadot/runtime/test-runtime/constants/src/lib.rs
index ca329accec..77c83b063c 100644
--- a/polkadot/runtime/test-runtime/constants/src/lib.rs
+++ b/polkadot/runtime/test-runtime/constants/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/block_weights.rs b/polkadot/runtime/test-runtime/constants/src/weights/block_weights.rs
index b2092d875c..e7fdb2aae2 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/block_weights.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/block_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/extrinsic_weights.rs b/polkadot/runtime/test-runtime/constants/src/weights/extrinsic_weights.rs
index 332c3b324b..1a4adb968b 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/extrinsic_weights.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/extrinsic_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/mod.rs b/polkadot/runtime/test-runtime/constants/src/weights/mod.rs
index ed0b4dbcd4..30fa2c4060 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/mod.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/mod.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/paritydb_weights.rs b/polkadot/runtime/test-runtime/constants/src/weights/paritydb_weights.rs
index 4338d928d8..2567970383 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/paritydb_weights.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/paritydb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/test-runtime/constants/src/weights/rocksdb_weights.rs b/polkadot/runtime/test-runtime/constants/src/weights/rocksdb_weights.rs
index 1d115d963f..3dd817aa6f 100644
--- a/polkadot/runtime/test-runtime/constants/src/weights/rocksdb_weights.rs
+++ b/polkadot/runtime/test-runtime/constants/src/weights/rocksdb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/test-runtime/src/lib.rs b/polkadot/runtime/test-runtime/src/lib.rs
index f8176b337f..616f1c955d 100644
--- a/polkadot/runtime/test-runtime/src/lib.rs
+++ b/polkadot/runtime/test-runtime/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/test-runtime/src/xcm_config.rs b/polkadot/runtime/test-runtime/src/xcm_config.rs
index e346f54a15..12ff38b43f 100644
--- a/polkadot/runtime/test-runtime/src/xcm_config.rs
+++ b/polkadot/runtime/test-runtime/src/xcm_config.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/build.rs b/polkadot/runtime/westend/build.rs
index e4a139a06a..428c971bc1 100644
--- a/polkadot/runtime/westend/build.rs
+++ b/polkadot/runtime/westend/build.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/constants/src/lib.rs b/polkadot/runtime/westend/constants/src/lib.rs
index e7d1a62771..f9830dab33 100644
--- a/polkadot/runtime/westend/constants/src/lib.rs
+++ b/polkadot/runtime/westend/constants/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/constants/src/weights/block_weights.rs b/polkadot/runtime/westend/constants/src/weights/block_weights.rs
index 56ef3b25fb..a29f5cfc54 100644
--- a/polkadot/runtime/westend/constants/src/weights/block_weights.rs
+++ b/polkadot/runtime/westend/constants/src/weights/block_weights.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/constants/src/weights/extrinsic_weights.rs b/polkadot/runtime/westend/constants/src/weights/extrinsic_weights.rs
index f240fc4154..cd307f196d 100644
--- a/polkadot/runtime/westend/constants/src/weights/extrinsic_weights.rs
+++ b/polkadot/runtime/westend/constants/src/weights/extrinsic_weights.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/constants/src/weights/mod.rs b/polkadot/runtime/westend/constants/src/weights/mod.rs
index 3f8bc612c0..23812ce7ed 100644
--- a/polkadot/runtime/westend/constants/src/weights/mod.rs
+++ b/polkadot/runtime/westend/constants/src/weights/mod.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/westend/constants/src/weights/paritydb_weights.rs b/polkadot/runtime/westend/constants/src/weights/paritydb_weights.rs
index 4338d928d8..2567970383 100644
--- a/polkadot/runtime/westend/constants/src/weights/paritydb_weights.rs
+++ b/polkadot/runtime/westend/constants/src/weights/paritydb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/westend/constants/src/weights/rocksdb_weights.rs b/polkadot/runtime/westend/constants/src/weights/rocksdb_weights.rs
index 1d115d963f..3dd817aa6f 100644
--- a/polkadot/runtime/westend/constants/src/weights/rocksdb_weights.rs
+++ b/polkadot/runtime/westend/constants/src/weights/rocksdb_weights.rs
@@ -1,6 +1,6 @@
// This file is part of Substrate.
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/westend/src/bag_thresholds.rs b/polkadot/runtime/westend/src/bag_thresholds.rs
index d88f469f6b..de28520d46 100644
--- a/polkadot/runtime/westend/src/bag_thresholds.rs
+++ b/polkadot/runtime/westend/src/bag_thresholds.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/lib.rs b/polkadot/runtime/westend/src/lib.rs
index 722d12c8f1..5896d888fb 100644
--- a/polkadot/runtime/westend/src/lib.rs
+++ b/polkadot/runtime/westend/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/tests.rs b/polkadot/runtime/westend/src/tests.rs
index 401b575255..226410b072 100644
--- a/polkadot/runtime/westend/src/tests.rs
+++ b/polkadot/runtime/westend/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/frame_election_provider_support.rs b/polkadot/runtime/westend/src/weights/frame_election_provider_support.rs
index 4c31ae2d29..c7c78c2d2e 100644
--- a/polkadot/runtime/westend/src/weights/frame_election_provider_support.rs
+++ b/polkadot/runtime/westend/src/weights/frame_election_provider_support.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/frame_system.rs b/polkadot/runtime/westend/src/weights/frame_system.rs
index f4ecb24a43..3e0e5d96dc 100644
--- a/polkadot/runtime/westend/src/weights/frame_system.rs
+++ b/polkadot/runtime/westend/src/weights/frame_system.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/mod.rs b/polkadot/runtime/westend/src/weights/mod.rs
index 5ca093c618..d443b903ba 100644
--- a/polkadot/runtime/westend/src/weights/mod.rs
+++ b/polkadot/runtime/westend/src/weights/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/polkadot/runtime/westend/src/weights/pallet_bags_list.rs b/polkadot/runtime/westend/src/weights/pallet_bags_list.rs
index 911397783c..3cfc0d74ca 100644
--- a/polkadot/runtime/westend/src/weights/pallet_bags_list.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_bags_list.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_balances.rs b/polkadot/runtime/westend/src/weights/pallet_balances.rs
index 812ba9137c..b6d3f4c851 100644
--- a/polkadot/runtime/westend/src/weights/pallet_balances.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_balances.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_election_provider_multi_phase.rs b/polkadot/runtime/westend/src/weights/pallet_election_provider_multi_phase.rs
index fbb825068b..f39ecf2ce2 100644
--- a/polkadot/runtime/westend/src/weights/pallet_election_provider_multi_phase.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_election_provider_multi_phase.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_fast_unstake.rs b/polkadot/runtime/westend/src/weights/pallet_fast_unstake.rs
index 87aa31fd00..3973dfbb3c 100644
--- a/polkadot/runtime/westend/src/weights/pallet_fast_unstake.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_fast_unstake.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_identity.rs b/polkadot/runtime/westend/src/weights/pallet_identity.rs
index c3d24a95d2..cb3bb4f03b 100644
--- a/polkadot/runtime/westend/src/weights/pallet_identity.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_identity.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_im_online.rs b/polkadot/runtime/westend/src/weights/pallet_im_online.rs
index 580eaded1a..bafd081771 100644
--- a/polkadot/runtime/westend/src/weights/pallet_im_online.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_im_online.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_indices.rs b/polkadot/runtime/westend/src/weights/pallet_indices.rs
index f108b7d90d..93d065de24 100644
--- a/polkadot/runtime/westend/src/weights/pallet_indices.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_indices.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_multisig.rs b/polkadot/runtime/westend/src/weights/pallet_multisig.rs
index 41fd4cd315..128c74aef4 100644
--- a/polkadot/runtime/westend/src/weights/pallet_multisig.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_multisig.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_nomination_pools.rs b/polkadot/runtime/westend/src/weights/pallet_nomination_pools.rs
index dfe4d5af18..0de728f9dc 100644
--- a/polkadot/runtime/westend/src/weights/pallet_nomination_pools.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_nomination_pools.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_preimage.rs b/polkadot/runtime/westend/src/weights/pallet_preimage.rs
index 8179ab43fc..fc4f789cdd 100644
--- a/polkadot/runtime/westend/src/weights/pallet_preimage.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_preimage.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_proxy.rs b/polkadot/runtime/westend/src/weights/pallet_proxy.rs
index 007b3988bc..3bbe23624b 100644
--- a/polkadot/runtime/westend/src/weights/pallet_proxy.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_proxy.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_scheduler.rs b/polkadot/runtime/westend/src/weights/pallet_scheduler.rs
index 6e0a9fca84..a278c5e49b 100644
--- a/polkadot/runtime/westend/src/weights/pallet_scheduler.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_scheduler.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_session.rs b/polkadot/runtime/westend/src/weights/pallet_session.rs
index 46049c5ea6..e911c61b8b 100644
--- a/polkadot/runtime/westend/src/weights/pallet_session.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_session.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_staking.rs b/polkadot/runtime/westend/src/weights/pallet_staking.rs
index cdc69dde78..549dad70d0 100644
--- a/polkadot/runtime/westend/src/weights/pallet_staking.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_staking.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_timestamp.rs b/polkadot/runtime/westend/src/weights/pallet_timestamp.rs
index 9bc8424913..b1cfc13fa3 100644
--- a/polkadot/runtime/westend/src/weights/pallet_timestamp.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_timestamp.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_utility.rs b/polkadot/runtime/westend/src/weights/pallet_utility.rs
index 646b9db9c3..8cd78db327 100644
--- a/polkadot/runtime/westend/src/weights/pallet_utility.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_utility.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_vesting.rs b/polkadot/runtime/westend/src/weights/pallet_vesting.rs
index 3263eb03a9..c4373c30b9 100644
--- a/polkadot/runtime/westend/src/weights/pallet_vesting.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_vesting.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/pallet_xcm.rs b/polkadot/runtime/westend/src/weights/pallet_xcm.rs
index 2282c6df48..19ba2a00c5 100644
--- a/polkadot/runtime/westend/src/weights/pallet_xcm.rs
+++ b/polkadot/runtime/westend/src/weights/pallet_xcm.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_common_auctions.rs b/polkadot/runtime/westend/src/weights/runtime_common_auctions.rs
index 8a3159b0f2..9a70942978 100644
--- a/polkadot/runtime/westend/src/weights/runtime_common_auctions.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_common_auctions.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_common_crowdloan.rs b/polkadot/runtime/westend/src/weights/runtime_common_crowdloan.rs
index c26f25245d..813527e336 100644
--- a/polkadot/runtime/westend/src/weights/runtime_common_crowdloan.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_common_crowdloan.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_common_paras_registrar.rs b/polkadot/runtime/westend/src/weights/runtime_common_paras_registrar.rs
index c9ff7ff062..401fd499df 100644
--- a/polkadot/runtime/westend/src/weights/runtime_common_paras_registrar.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_common_paras_registrar.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_common_slots.rs b/polkadot/runtime/westend/src/weights/runtime_common_slots.rs
index 6aa098f609..ebb1aa1196 100644
--- a/polkadot/runtime/westend/src/weights/runtime_common_slots.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_common_slots.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_parachains_configuration.rs b/polkadot/runtime/westend/src/weights/runtime_parachains_configuration.rs
index 309d4357eb..2e1d5ac6bf 100644
--- a/polkadot/runtime/westend/src/weights/runtime_parachains_configuration.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_parachains_configuration.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_parachains_disputes.rs b/polkadot/runtime/westend/src/weights/runtime_parachains_disputes.rs
index b847436640..fa08d75a95 100644
--- a/polkadot/runtime/westend/src/weights/runtime_parachains_disputes.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_parachains_disputes.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_parachains_disputes_slashing.rs b/polkadot/runtime/westend/src/weights/runtime_parachains_disputes_slashing.rs
index 2db9804f68..b9bd8c98ea 100644
--- a/polkadot/runtime/westend/src/weights/runtime_parachains_disputes_slashing.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_parachains_disputes_slashing.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_parachains_hrmp.rs b/polkadot/runtime/westend/src/weights/runtime_parachains_hrmp.rs
index f764543e1b..56553c91b8 100644
--- a/polkadot/runtime/westend/src/weights/runtime_parachains_hrmp.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_parachains_hrmp.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_parachains_initializer.rs b/polkadot/runtime/westend/src/weights/runtime_parachains_initializer.rs
index 2de6260397..505f499ea3 100644
--- a/polkadot/runtime/westend/src/weights/runtime_parachains_initializer.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_parachains_initializer.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_parachains_paras.rs b/polkadot/runtime/westend/src/weights/runtime_parachains_paras.rs
index 73da054718..2a0ee4f152 100644
--- a/polkadot/runtime/westend/src/weights/runtime_parachains_paras.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_parachains_paras.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_parachains_paras_inherent.rs b/polkadot/runtime/westend/src/weights/runtime_parachains_paras_inherent.rs
index 349e2f062b..1113d4bc06 100644
--- a/polkadot/runtime/westend/src/weights/runtime_parachains_paras_inherent.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_parachains_paras_inherent.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/runtime_parachains_ump.rs b/polkadot/runtime/westend/src/weights/runtime_parachains_ump.rs
index dcea49b19f..2b0de70b83 100644
--- a/polkadot/runtime/westend/src/weights/runtime_parachains_ump.rs
+++ b/polkadot/runtime/westend/src/weights/runtime_parachains_ump.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/xcm/mod.rs b/polkadot/runtime/westend/src/weights/xcm/mod.rs
index 4fb27c1209..230dab55fb 100644
--- a/polkadot/runtime/westend/src/weights/xcm/mod.rs
+++ b/polkadot/runtime/westend/src/weights/xcm/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs b/polkadot/runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs
index 8d44819907..5f5ef52956 100644
--- a/polkadot/runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs
+++ b/polkadot/runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_fungible.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_generic.rs b/polkadot/runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_generic.rs
index 119b8b4bc7..a2e599d6b8 100644
--- a/polkadot/runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_generic.rs
+++ b/polkadot/runtime/westend/src/weights/xcm/pallet_xcm_benchmarks_generic.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/runtime/westend/src/xcm_config.rs b/polkadot/runtime/westend/src/xcm_config.rs
index 834472f5fb..24b161e42a 100644
--- a/polkadot/runtime/westend/src/xcm_config.rs
+++ b/polkadot/runtime/westend/src/xcm_config.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/src/main.rs b/polkadot/src/main.rs
index 2deb198ec7..5986d8cea7 100644
--- a/polkadot/src/main.rs
+++ b/polkadot/src/main.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/statement-table/src/generic.rs b/polkadot/statement-table/src/generic.rs
index c33151d5c1..fcd261b438 100644
--- a/polkadot/statement-table/src/generic.rs
+++ b/polkadot/statement-table/src/generic.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/statement-table/src/lib.rs b/polkadot/statement-table/src/lib.rs
index 4eb5ff3cd0..0388c069f6 100644
--- a/polkadot/statement-table/src/lib.rs
+++ b/polkadot/statement-table/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/tests/benchmark_block.rs b/polkadot/tests/benchmark_block.rs
index dc3b174599..b7ff6cdef9 100644
--- a/polkadot/tests/benchmark_block.rs
+++ b/polkadot/tests/benchmark_block.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/tests/benchmark_extrinsic.rs b/polkadot/tests/benchmark_extrinsic.rs
index 79a7d4c453..e701fd9c92 100644
--- a/polkadot/tests/benchmark_extrinsic.rs
+++ b/polkadot/tests/benchmark_extrinsic.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/tests/benchmark_overhead.rs b/polkadot/tests/benchmark_overhead.rs
index 1058287016..295479594e 100644
--- a/polkadot/tests/benchmark_overhead.rs
+++ b/polkadot/tests/benchmark_overhead.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/tests/benchmark_storage_works.rs b/polkadot/tests/benchmark_storage_works.rs
index 7c9e40b9d0..e789e8ae15 100644
--- a/polkadot/tests/benchmark_storage_works.rs
+++ b/polkadot/tests/benchmark_storage_works.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/tests/common.rs b/polkadot/tests/common.rs
index 6a41975f87..72827e9e0c 100644
--- a/polkadot/tests/common.rs
+++ b/polkadot/tests/common.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/tests/invalid_order_arguments.rs b/polkadot/tests/invalid_order_arguments.rs
index f8dc32a82a..8b5f4e31c1 100644
--- a/polkadot/tests/invalid_order_arguments.rs
+++ b/polkadot/tests/invalid_order_arguments.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/tests/purge_chain_works.rs b/polkadot/tests/purge_chain_works.rs
index ab3ee506b6..c93a0dde9a 100644
--- a/polkadot/tests/purge_chain_works.rs
+++ b/polkadot/tests/purge_chain_works.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/tests/running_the_node_and_interrupt.rs b/polkadot/tests/running_the_node_and_interrupt.rs
index 5b0e6ec8b0..d3935cbb02 100644
--- a/polkadot/tests/running_the_node_and_interrupt.rs
+++ b/polkadot/tests/running_the_node_and_interrupt.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/generate-bags/src/main.rs b/polkadot/utils/generate-bags/src/main.rs
index 409b28b5b7..6d0b0e19e8 100644
--- a/polkadot/utils/generate-bags/src/main.rs
+++ b/polkadot/utils/generate-bags/src/main.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/remote-ext-tests/bags-list/src/main.rs b/polkadot/utils/remote-ext-tests/bags-list/src/main.rs
index 53d81c4b4e..6fb66ab216 100644
--- a/polkadot/utils/remote-ext-tests/bags-list/src/main.rs
+++ b/polkadot/utils/remote-ext-tests/bags-list/src/main.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/src/dry_run.rs b/polkadot/utils/staking-miner/src/dry_run.rs
index 8b105d70eb..4d09306a6e 100644
--- a/polkadot/utils/staking-miner/src/dry_run.rs
+++ b/polkadot/utils/staking-miner/src/dry_run.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/src/emergency_solution.rs b/polkadot/utils/staking-miner/src/emergency_solution.rs
index fdb3a47a27..85487f7e40 100644
--- a/polkadot/utils/staking-miner/src/emergency_solution.rs
+++ b/polkadot/utils/staking-miner/src/emergency_solution.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/src/main.rs b/polkadot/utils/staking-miner/src/main.rs
index 84c57bc6d2..044ba4ed22 100644
--- a/polkadot/utils/staking-miner/src/main.rs
+++ b/polkadot/utils/staking-miner/src/main.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/src/monitor.rs b/polkadot/utils/staking-miner/src/monitor.rs
index 2395c7b7fc..e578e1c835 100644
--- a/polkadot/utils/staking-miner/src/monitor.rs
+++ b/polkadot/utils/staking-miner/src/monitor.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/src/opts.rs b/polkadot/utils/staking-miner/src/opts.rs
index d7690a2120..819511b55b 100644
--- a/polkadot/utils/staking-miner/src/opts.rs
+++ b/polkadot/utils/staking-miner/src/opts.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/src/prelude.rs b/polkadot/utils/staking-miner/src/prelude.rs
index eeca85c9b7..45553d7a34 100644
--- a/polkadot/utils/staking-miner/src/prelude.rs
+++ b/polkadot/utils/staking-miner/src/prelude.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/src/rpc.rs b/polkadot/utils/staking-miner/src/rpc.rs
index 1da24b4aae..ae978ee338 100644
--- a/polkadot/utils/staking-miner/src/rpc.rs
+++ b/polkadot/utils/staking-miner/src/rpc.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/src/runtime_versions.rs b/polkadot/utils/staking-miner/src/runtime_versions.rs
index 20e4bd435a..38af05ead2 100644
--- a/polkadot/utils/staking-miner/src/runtime_versions.rs
+++ b/polkadot/utils/staking-miner/src/runtime_versions.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/src/signer.rs b/polkadot/utils/staking-miner/src/signer.rs
index 6a80533859..88b68cbd8d 100644
--- a/polkadot/utils/staking-miner/src/signer.rs
+++ b/polkadot/utils/staking-miner/src/signer.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/utils/staking-miner/tests/cli.rs b/polkadot/utils/staking-miner/tests/cli.rs
index fc26da98ab..1ced1239e5 100644
--- a/polkadot/utils/staking-miner/tests/cli.rs
+++ b/polkadot/utils/staking-miner/tests/cli.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/benchmarking.rs b/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/benchmarking.rs
index fade0d4869..0a316a3f0a 100644
--- a/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/benchmarking.rs
+++ b/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/mock.rs b/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/mock.rs
index 56bbd913a0..382434ea1c 100644
--- a/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/mock.rs
+++ b/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/mod.rs b/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/mod.rs
index 011e84a0e4..7fa527dffe 100644
--- a/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/mod.rs
+++ b/polkadot/xcm/pallet-xcm-benchmarks/src/fungible/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm-benchmarks/src/generic/benchmarking.rs b/polkadot/xcm/pallet-xcm-benchmarks/src/generic/benchmarking.rs
index 46301a974c..b10c924529 100644
--- a/polkadot/xcm/pallet-xcm-benchmarks/src/generic/benchmarking.rs
+++ b/polkadot/xcm/pallet-xcm-benchmarks/src/generic/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm-benchmarks/src/generic/mock.rs b/polkadot/xcm/pallet-xcm-benchmarks/src/generic/mock.rs
index 3cb5c5d0c8..df6e7713b8 100644
--- a/polkadot/xcm/pallet-xcm-benchmarks/src/generic/mock.rs
+++ b/polkadot/xcm/pallet-xcm-benchmarks/src/generic/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm-benchmarks/src/generic/mod.rs b/polkadot/xcm/pallet-xcm-benchmarks/src/generic/mod.rs
index bdf3b2821f..17e8aa6de9 100644
--- a/polkadot/xcm/pallet-xcm-benchmarks/src/generic/mod.rs
+++ b/polkadot/xcm/pallet-xcm-benchmarks/src/generic/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2017-2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm-benchmarks/src/lib.rs b/polkadot/xcm/pallet-xcm-benchmarks/src/lib.rs
index c2bb093b1d..ba6541d373 100644
--- a/polkadot/xcm/pallet-xcm-benchmarks/src/lib.rs
+++ b/polkadot/xcm/pallet-xcm-benchmarks/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm-benchmarks/src/mock.rs b/polkadot/xcm/pallet-xcm-benchmarks/src/mock.rs
index 905a9af36f..5cb7dc8f4d 100644
--- a/polkadot/xcm/pallet-xcm-benchmarks/src/mock.rs
+++ b/polkadot/xcm/pallet-xcm-benchmarks/src/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm-benchmarks/template.hbs b/polkadot/xcm/pallet-xcm-benchmarks/template.hbs
index bd1c9241e6..7171f65990 100644
--- a/polkadot/xcm/pallet-xcm-benchmarks/template.hbs
+++ b/polkadot/xcm/pallet-xcm-benchmarks/template.hbs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm/src/benchmarking.rs b/polkadot/xcm/pallet-xcm/src/benchmarking.rs
index bb0fe93019..9ee11553cf 100644
--- a/polkadot/xcm/pallet-xcm/src/benchmarking.rs
+++ b/polkadot/xcm/pallet-xcm/src/benchmarking.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm/src/lib.rs b/polkadot/xcm/pallet-xcm/src/lib.rs
index e8e164140f..5af903ca37 100644
--- a/polkadot/xcm/pallet-xcm/src/lib.rs
+++ b/polkadot/xcm/pallet-xcm/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm/src/migration.rs b/polkadot/xcm/pallet-xcm/src/migration.rs
index 247b9f8ada..32bc5e764c 100644
--- a/polkadot/xcm/pallet-xcm/src/migration.rs
+++ b/polkadot/xcm/pallet-xcm/src/migration.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm/src/mock.rs b/polkadot/xcm/pallet-xcm/src/mock.rs
index 9544538ef2..0faef76f9e 100644
--- a/polkadot/xcm/pallet-xcm/src/mock.rs
+++ b/polkadot/xcm/pallet-xcm/src/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/pallet-xcm/src/tests.rs b/polkadot/xcm/pallet-xcm/src/tests.rs
index 2700124976..919eede0fe 100644
--- a/polkadot/xcm/pallet-xcm/src/tests.rs
+++ b/polkadot/xcm/pallet-xcm/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/procedural/src/lib.rs b/polkadot/xcm/procedural/src/lib.rs
index 36181ccbd1..2ebccadf50 100644
--- a/polkadot/xcm/procedural/src/lib.rs
+++ b/polkadot/xcm/procedural/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/procedural/src/v2.rs b/polkadot/xcm/procedural/src/v2.rs
index 6fbeeefeb1..dc2694a666 100644
--- a/polkadot/xcm/procedural/src/v2.rs
+++ b/polkadot/xcm/procedural/src/v2.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/procedural/src/v3.rs b/polkadot/xcm/procedural/src/v3.rs
index 0897481d09..246f90a46a 100644
--- a/polkadot/xcm/procedural/src/v3.rs
+++ b/polkadot/xcm/procedural/src/v3.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/procedural/src/weight_info.rs b/polkadot/xcm/procedural/src/weight_info.rs
index 6dc64b66d4..dde4b94ecc 100644
--- a/polkadot/xcm/procedural/src/weight_info.rs
+++ b/polkadot/xcm/procedural/src/weight_info.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/double_encoded.rs b/polkadot/xcm/src/double_encoded.rs
index 858d979642..2c8957d9ed 100644
--- a/polkadot/xcm/src/double_encoded.rs
+++ b/polkadot/xcm/src/double_encoded.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/lib.rs b/polkadot/xcm/src/lib.rs
index 0f919b8921..85ef1718bf 100644
--- a/polkadot/xcm/src/lib.rs
+++ b/polkadot/xcm/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/tests.rs b/polkadot/xcm/src/tests.rs
index 32326cab03..10b14ffec9 100644
--- a/polkadot/xcm/src/tests.rs
+++ b/polkadot/xcm/src/tests.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v2/junction.rs b/polkadot/xcm/src/v2/junction.rs
index 87fe6d8ff2..be075a31fe 100644
--- a/polkadot/xcm/src/v2/junction.rs
+++ b/polkadot/xcm/src/v2/junction.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v2/mod.rs b/polkadot/xcm/src/v2/mod.rs
index 57b851bd62..6a24cf0720 100644
--- a/polkadot/xcm/src/v2/mod.rs
+++ b/polkadot/xcm/src/v2/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Cumulus.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v2/multiasset.rs b/polkadot/xcm/src/v2/multiasset.rs
index 6493b7c1af..aae65dcbb5 100644
--- a/polkadot/xcm/src/v2/multiasset.rs
+++ b/polkadot/xcm/src/v2/multiasset.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v2/multilocation.rs b/polkadot/xcm/src/v2/multilocation.rs
index 4abdc1daf7..086a832773 100644
--- a/polkadot/xcm/src/v2/multilocation.rs
+++ b/polkadot/xcm/src/v2/multilocation.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v2/traits.rs b/polkadot/xcm/src/v2/traits.rs
index 77900e514c..524b659d57 100644
--- a/polkadot/xcm/src/v2/traits.rs
+++ b/polkadot/xcm/src/v2/traits.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Cumulus.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v3/junction.rs b/polkadot/xcm/src/v3/junction.rs
index 57877f9545..55454226c8 100644
--- a/polkadot/xcm/src/v3/junction.rs
+++ b/polkadot/xcm/src/v3/junction.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v3/junctions.rs b/polkadot/xcm/src/v3/junctions.rs
index d596489b20..a412275d05 100644
--- a/polkadot/xcm/src/v3/junctions.rs
+++ b/polkadot/xcm/src/v3/junctions.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v3/matcher.rs b/polkadot/xcm/src/v3/matcher.rs
index de390338e3..72d2411bf9 100644
--- a/polkadot/xcm/src/v3/matcher.rs
+++ b/polkadot/xcm/src/v3/matcher.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v3/mod.rs b/polkadot/xcm/src/v3/mod.rs
index 45a960f28f..39a7ae32ee 100644
--- a/polkadot/xcm/src/v3/mod.rs
+++ b/polkadot/xcm/src/v3/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v3/multiasset.rs b/polkadot/xcm/src/v3/multiasset.rs
index 602c9722f7..06cd2c8b5b 100644
--- a/polkadot/xcm/src/v3/multiasset.rs
+++ b/polkadot/xcm/src/v3/multiasset.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v3/multilocation.rs b/polkadot/xcm/src/v3/multilocation.rs
index 698276627a..aee0d24061 100644
--- a/polkadot/xcm/src/v3/multilocation.rs
+++ b/polkadot/xcm/src/v3/multilocation.rs
@@ -1,4 +1,4 @@
-// Copyright 2020-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/src/v3/traits.rs b/polkadot/xcm/src/v3/traits.rs
index 74ca60cd66..b752647b08 100644
--- a/polkadot/xcm/src/v3/traits.rs
+++ b/polkadot/xcm/src/v3/traits.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Substrate is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/asset_conversion.rs b/polkadot/xcm/xcm-builder/src/asset_conversion.rs
index cadbb8381c..5db425a75b 100644
--- a/polkadot/xcm/xcm-builder/src/asset_conversion.rs
+++ b/polkadot/xcm/xcm-builder/src/asset_conversion.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/barriers.rs b/polkadot/xcm/xcm-builder/src/barriers.rs
index 02de36caeb..17ba265d1d 100644
--- a/polkadot/xcm/xcm-builder/src/barriers.rs
+++ b/polkadot/xcm/xcm-builder/src/barriers.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/currency_adapter.rs b/polkadot/xcm/xcm-builder/src/currency_adapter.rs
index bb7ac7a648..2c83049c87 100644
--- a/polkadot/xcm/xcm-builder/src/currency_adapter.rs
+++ b/polkadot/xcm/xcm-builder/src/currency_adapter.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/filter_asset_location.rs b/polkadot/xcm/xcm-builder/src/filter_asset_location.rs
index 1701988d62..68dd86d9bf 100644
--- a/polkadot/xcm/xcm-builder/src/filter_asset_location.rs
+++ b/polkadot/xcm/xcm-builder/src/filter_asset_location.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/fungibles_adapter.rs b/polkadot/xcm/xcm-builder/src/fungibles_adapter.rs
index 33e4513931..d2fdf28c76 100644
--- a/polkadot/xcm/xcm-builder/src/fungibles_adapter.rs
+++ b/polkadot/xcm/xcm-builder/src/fungibles_adapter.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/lib.rs b/polkadot/xcm/xcm-builder/src/lib.rs
index 2379297010..2508a43a32 100644
--- a/polkadot/xcm/xcm-builder/src/lib.rs
+++ b/polkadot/xcm/xcm-builder/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/location_conversion.rs b/polkadot/xcm/xcm-builder/src/location_conversion.rs
index a3ced7ba6d..00aea3d296 100644
--- a/polkadot/xcm/xcm-builder/src/location_conversion.rs
+++ b/polkadot/xcm/xcm-builder/src/location_conversion.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/matches_token.rs b/polkadot/xcm/xcm-builder/src/matches_token.rs
index 53b844c757..ddb25799be 100644
--- a/polkadot/xcm/xcm-builder/src/matches_token.rs
+++ b/polkadot/xcm/xcm-builder/src/matches_token.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/nonfungibles_adapter.rs b/polkadot/xcm/xcm-builder/src/nonfungibles_adapter.rs
index 2735a03ab6..530f84949e 100644
--- a/polkadot/xcm/xcm-builder/src/nonfungibles_adapter.rs
+++ b/polkadot/xcm/xcm-builder/src/nonfungibles_adapter.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/origin_conversion.rs b/polkadot/xcm/xcm-builder/src/origin_conversion.rs
index ddeec5dd0b..22a79d0f80 100644
--- a/polkadot/xcm/xcm-builder/src/origin_conversion.rs
+++ b/polkadot/xcm/xcm-builder/src/origin_conversion.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/test_utils.rs b/polkadot/xcm/xcm-builder/src/test_utils.rs
index 958d6a8a4a..d0f867ba62 100644
--- a/polkadot/xcm/xcm-builder/src/test_utils.rs
+++ b/polkadot/xcm/xcm-builder/src/test_utils.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/assets.rs b/polkadot/xcm/xcm-builder/src/tests/assets.rs
index 57eacf0018..9b8ba0e459 100644
--- a/polkadot/xcm/xcm-builder/src/tests/assets.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/assets.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/barriers.rs b/polkadot/xcm/xcm-builder/src/tests/barriers.rs
index a7889c7e21..a2807bc281 100644
--- a/polkadot/xcm/xcm-builder/src/tests/barriers.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/barriers.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/basic.rs b/polkadot/xcm/xcm-builder/src/tests/basic.rs
index 6a821e22b6..02fcd8962d 100644
--- a/polkadot/xcm/xcm-builder/src/tests/basic.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/basic.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/bridging/local_para_para.rs b/polkadot/xcm/xcm-builder/src/tests/bridging/local_para_para.rs
index a2ab952b16..117909725b 100644
--- a/polkadot/xcm/xcm-builder/src/tests/bridging/local_para_para.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/bridging/local_para_para.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/bridging/local_relay_relay.rs b/polkadot/xcm/xcm-builder/src/tests/bridging/local_relay_relay.rs
index 20b029526e..66099bb823 100644
--- a/polkadot/xcm/xcm-builder/src/tests/bridging/local_relay_relay.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/bridging/local_relay_relay.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/bridging/mod.rs b/polkadot/xcm/xcm-builder/src/tests/bridging/mod.rs
index 0ca3733c10..194e171cb6 100644
--- a/polkadot/xcm/xcm-builder/src/tests/bridging/mod.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/bridging/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/bridging/paid_remote_relay_relay.rs b/polkadot/xcm/xcm-builder/src/tests/bridging/paid_remote_relay_relay.rs
index d31c46c734..a618193d6e 100644
--- a/polkadot/xcm/xcm-builder/src/tests/bridging/paid_remote_relay_relay.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/bridging/paid_remote_relay_relay.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/bridging/remote_para_para.rs b/polkadot/xcm/xcm-builder/src/tests/bridging/remote_para_para.rs
index 648807763b..06df4cae2a 100644
--- a/polkadot/xcm/xcm-builder/src/tests/bridging/remote_para_para.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/bridging/remote_para_para.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/bridging/remote_para_para_via_relay.rs b/polkadot/xcm/xcm-builder/src/tests/bridging/remote_para_para_via_relay.rs
index 0a6e0bfb73..5657964386 100644
--- a/polkadot/xcm/xcm-builder/src/tests/bridging/remote_para_para_via_relay.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/bridging/remote_para_para_via_relay.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/bridging/remote_relay_relay.rs b/polkadot/xcm/xcm-builder/src/tests/bridging/remote_relay_relay.rs
index 83cc0ac780..4230ea27b7 100644
--- a/polkadot/xcm/xcm-builder/src/tests/bridging/remote_relay_relay.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/bridging/remote_relay_relay.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/expecting.rs b/polkadot/xcm/xcm-builder/src/tests/expecting.rs
index b93b73224d..6d5e0ff47b 100644
--- a/polkadot/xcm/xcm-builder/src/tests/expecting.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/expecting.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/locking.rs b/polkadot/xcm/xcm-builder/src/tests/locking.rs
index f226c1bb57..7c408c999b 100644
--- a/polkadot/xcm/xcm-builder/src/tests/locking.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/locking.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/mock.rs b/polkadot/xcm/xcm-builder/src/tests/mock.rs
index fa85d09a44..11b0723d56 100644
--- a/polkadot/xcm/xcm-builder/src/tests/mock.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/mock.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/mod.rs b/polkadot/xcm/xcm-builder/src/tests/mod.rs
index cc83d9d5ac..496005260a 100644
--- a/polkadot/xcm/xcm-builder/src/tests/mod.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/origins.rs b/polkadot/xcm/xcm-builder/src/tests/origins.rs
index a7454a4f42..d3d6278eff 100644
--- a/polkadot/xcm/xcm-builder/src/tests/origins.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/origins.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/querying.rs b/polkadot/xcm/xcm-builder/src/tests/querying.rs
index 9bd81763fe..be8edfe87b 100644
--- a/polkadot/xcm/xcm-builder/src/tests/querying.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/querying.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/transacting.rs b/polkadot/xcm/xcm-builder/src/tests/transacting.rs
index dd1ba7b1c9..ccb2c23d19 100644
--- a/polkadot/xcm/xcm-builder/src/tests/transacting.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/transacting.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/version_subscriptions.rs b/polkadot/xcm/xcm-builder/src/tests/version_subscriptions.rs
index 4aba90c2c8..434c92202c 100644
--- a/polkadot/xcm/xcm-builder/src/tests/version_subscriptions.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/version_subscriptions.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/tests/weight.rs b/polkadot/xcm/xcm-builder/src/tests/weight.rs
index e98ea8bd09..99ef029196 100644
--- a/polkadot/xcm/xcm-builder/src/tests/weight.rs
+++ b/polkadot/xcm/xcm-builder/src/tests/weight.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/universal_exports.rs b/polkadot/xcm/xcm-builder/src/universal_exports.rs
index 7fe4e2a13c..ddf1c9ed33 100644
--- a/polkadot/xcm/xcm-builder/src/universal_exports.rs
+++ b/polkadot/xcm/xcm-builder/src/universal_exports.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/src/weight.rs b/polkadot/xcm/xcm-builder/src/weight.rs
index 7a7c6a7cdf..1473775ecc 100644
--- a/polkadot/xcm/xcm-builder/src/weight.rs
+++ b/polkadot/xcm/xcm-builder/src/weight.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/tests/mock/mod.rs b/polkadot/xcm/xcm-builder/tests/mock/mod.rs
index 9c0086e34c..241ce5bef6 100644
--- a/polkadot/xcm/xcm-builder/tests/mock/mod.rs
+++ b/polkadot/xcm/xcm-builder/tests/mock/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-builder/tests/scenarios.rs b/polkadot/xcm/xcm-builder/tests/scenarios.rs
index 05227fbd74..64e9b86a91 100644
--- a/polkadot/xcm/xcm-builder/tests/scenarios.rs
+++ b/polkadot/xcm/xcm-builder/tests/scenarios.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/integration-tests/src/lib.rs b/polkadot/xcm/xcm-executor/integration-tests/src/lib.rs
index a3212c798d..1500bb836a 100644
--- a/polkadot/xcm/xcm-executor/integration-tests/src/lib.rs
+++ b/polkadot/xcm/xcm-executor/integration-tests/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/assets.rs b/polkadot/xcm/xcm-executor/src/assets.rs
index 9d5d94722a..f5e0659931 100644
--- a/polkadot/xcm/xcm-executor/src/assets.rs
+++ b/polkadot/xcm/xcm-executor/src/assets.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/config.rs b/polkadot/xcm/xcm-executor/src/config.rs
index 9bb98055fb..2672eb4150 100644
--- a/polkadot/xcm/xcm-executor/src/config.rs
+++ b/polkadot/xcm/xcm-executor/src/config.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/lib.rs b/polkadot/xcm/xcm-executor/src/lib.rs
index 4e63ad9147..749a63114d 100644
--- a/polkadot/xcm/xcm-executor/src/lib.rs
+++ b/polkadot/xcm/xcm-executor/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/asset_exchange.rs b/polkadot/xcm/xcm-executor/src/traits/asset_exchange.rs
index dd2eae23f8..465468992a 100644
--- a/polkadot/xcm/xcm-executor/src/traits/asset_exchange.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/asset_exchange.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/asset_lock.rs b/polkadot/xcm/xcm-executor/src/traits/asset_lock.rs
index 8d030ed1d5..bb19e90b0c 100644
--- a/polkadot/xcm/xcm-executor/src/traits/asset_lock.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/asset_lock.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/conversion.rs b/polkadot/xcm/xcm-executor/src/traits/conversion.rs
index 73b02bfe0a..c33269a656 100644
--- a/polkadot/xcm/xcm-executor/src/traits/conversion.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/conversion.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/drop_assets.rs b/polkadot/xcm/xcm-executor/src/traits/drop_assets.rs
index 1119f58534..9753f3a421 100644
--- a/polkadot/xcm/xcm-executor/src/traits/drop_assets.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/drop_assets.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/export.rs b/polkadot/xcm/xcm-executor/src/traits/export.rs
index ef8daa3c82..39667cec48 100644
--- a/polkadot/xcm/xcm-executor/src/traits/export.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/export.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/fee_manager.rs b/polkadot/xcm/xcm-executor/src/traits/fee_manager.rs
index b883a6d573..ad2e108e7d 100644
--- a/polkadot/xcm/xcm-executor/src/traits/fee_manager.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/fee_manager.rs
@@ -1,4 +1,4 @@
-// Copyright 2022 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/filter_asset_location.rs b/polkadot/xcm/xcm-executor/src/traits/filter_asset_location.rs
index ec9fecbab6..7aeb26b280 100644
--- a/polkadot/xcm/xcm-executor/src/traits/filter_asset_location.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/filter_asset_location.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/mod.rs b/polkadot/xcm/xcm-executor/src/traits/mod.rs
index 94fe7e98a7..f78226a213 100644
--- a/polkadot/xcm/xcm-executor/src/traits/mod.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/on_response.rs b/polkadot/xcm/xcm-executor/src/traits/on_response.rs
index dbde3f940f..dcb7d924d7 100644
--- a/polkadot/xcm/xcm-executor/src/traits/on_response.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/on_response.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/should_execute.rs b/polkadot/xcm/xcm-executor/src/traits/should_execute.rs
index 7db8fbe4a0..2212b7d689 100644
--- a/polkadot/xcm/xcm-executor/src/traits/should_execute.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/should_execute.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/token_matching.rs b/polkadot/xcm/xcm-executor/src/traits/token_matching.rs
index f1bbbe6802..ad65a86302 100644
--- a/polkadot/xcm/xcm-executor/src/traits/token_matching.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/token_matching.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/transact_asset.rs b/polkadot/xcm/xcm-executor/src/traits/transact_asset.rs
index 9f4b9b5ad3..0770228ed8 100644
--- a/polkadot/xcm/xcm-executor/src/traits/transact_asset.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/transact_asset.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-executor/src/traits/weight.rs b/polkadot/xcm/xcm-executor/src/traits/weight.rs
index 6e111f93e8..033614d4bf 100644
--- a/polkadot/xcm/xcm-executor/src/traits/weight.rs
+++ b/polkadot/xcm/xcm-executor/src/traits/weight.rs
@@ -1,4 +1,4 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-simulator/example/src/lib.rs b/polkadot/xcm/xcm-simulator/example/src/lib.rs
index b2bedf4c37..bd43919221 100644
--- a/polkadot/xcm/xcm-simulator/example/src/lib.rs
+++ b/polkadot/xcm/xcm-simulator/example/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-simulator/example/src/parachain.rs b/polkadot/xcm/xcm-simulator/example/src/parachain.rs
index 4cd4094b33..4d1f7f13c2 100644
--- a/polkadot/xcm/xcm-simulator/example/src/parachain.rs
+++ b/polkadot/xcm/xcm-simulator/example/src/parachain.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-simulator/example/src/relay_chain.rs b/polkadot/xcm/xcm-simulator/example/src/relay_chain.rs
index 5db399717f..e2caeb2bfc 100644
--- a/polkadot/xcm/xcm-simulator/example/src/relay_chain.rs
+++ b/polkadot/xcm/xcm-simulator/example/src/relay_chain.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-simulator/fuzzer/src/fuzz.rs b/polkadot/xcm/xcm-simulator/fuzzer/src/fuzz.rs
index 2965b791d4..42b3ec8d9e 100644
--- a/polkadot/xcm/xcm-simulator/fuzzer/src/fuzz.rs
+++ b/polkadot/xcm/xcm-simulator/fuzzer/src/fuzz.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-simulator/fuzzer/src/parachain.rs b/polkadot/xcm/xcm-simulator/fuzzer/src/parachain.rs
index 8480713347..3a0dfd7359 100644
--- a/polkadot/xcm/xcm-simulator/fuzzer/src/parachain.rs
+++ b/polkadot/xcm/xcm-simulator/fuzzer/src/parachain.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-simulator/fuzzer/src/relay_chain.rs b/polkadot/xcm/xcm-simulator/fuzzer/src/relay_chain.rs
index 962c22297a..8f0a8a281e 100644
--- a/polkadot/xcm/xcm-simulator/fuzzer/src/relay_chain.rs
+++ b/polkadot/xcm/xcm-simulator/fuzzer/src/relay_chain.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify
diff --git a/polkadot/xcm/xcm-simulator/src/lib.rs b/polkadot/xcm/xcm-simulator/src/lib.rs
index f87aae3f29..6a5b1b49e0 100644
--- a/polkadot/xcm/xcm-simulator/src/lib.rs
+++ b/polkadot/xcm/xcm-simulator/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot is free software: you can redistribute it and/or modify