diff --git a/src/cluster/cluster.cpp b/src/cluster/cluster.cpp
index f9e43625f7c346bf32dedc9661d734002346f65b..a6f99a8dd76cc6b0cbbf8f77a557f1d9001e72cf 100644
--- a/src/cluster/cluster.cpp
+++ b/src/cluster/cluster.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cluster/np_cluster.cpp b/src/cluster/np_cluster.cpp
index 7beb785cf6003945889b2d9263bbf2fa23934942..4da183e7cedee60e01efe75fcd808c3af1b845a0 100644
--- a/src/cluster/np_cluster.cpp
+++ b/src/cluster/np_cluster.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/inclusion/inclusion.cpp b/src/inclusion/inclusion.cpp
index b70306c044b424f3d719d8df501b98f605964d44..6346157b1b9c3293d9536e4fe899aa22713b03f0 100644
--- a/src/inclusion/inclusion.cpp
+++ b/src/inclusion/inclusion.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/inclusion/np_inclusion.cpp b/src/inclusion/np_inclusion.cpp
index fde9371b53744de005bfdd6302226ab84a28a948..875fe094287dbfd7741f7d7ba9835c0b6d9c6c55 100644
--- a/src/inclusion/np_inclusion.cpp
+++ b/src/inclusion/np_inclusion.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/Commons.cpp b/src/libnptm/Commons.cpp
index b93abab2ce2fa19c341256ed4a9847901eb99f4c..03dd266352cf63495d425be6e25905d87cced0f9 100644
--- a/src/libnptm/Commons.cpp
+++ b/src/libnptm/Commons.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/Configuration.cpp b/src/libnptm/Configuration.cpp
index 2aa61343aaf91e99294d2d786c72ddae2f290c5b..625e38476a5aa7ffe660e6e3d6b5cd47ccb9c55c 100644
--- a/src/libnptm/Configuration.cpp
+++ b/src/libnptm/Configuration.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/TransitionMatrix.cpp b/src/libnptm/TransitionMatrix.cpp
index 8c72f899998f3860167977661587f776ab365db2..754951ad636e39a5979cb7c7e974db24e10e0c77 100644
--- a/src/libnptm/TransitionMatrix.cpp
+++ b/src/libnptm/TransitionMatrix.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/algebraic.cpp b/src/libnptm/algebraic.cpp
index 33158f0c0dec340389d8fb61ca34823b13ddb73f..e2fe94f849429f35c8f7f810112884821525f5e4 100644
--- a/src/libnptm/algebraic.cpp
+++ b/src/libnptm/algebraic.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/clu_subs.cpp b/src/libnptm/clu_subs.cpp
index 3548af3d656cff48a18fddafafb2e61a04542852..779c2ecd4afdfe2eba45809b9ff4e80e43883b2e 100644
--- a/src/libnptm/clu_subs.cpp
+++ b/src/libnptm/clu_subs.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/cublas_calls.cpp b/src/libnptm/cublas_calls.cpp
index caf483a61251d24e9991be7752f181c782c96dc0..7e070762917a6d13a9aff917164812523cff54da 100644
--- a/src/libnptm/cublas_calls.cpp
+++ b/src/libnptm/cublas_calls.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/inclu_subs.cpp b/src/libnptm/inclu_subs.cpp
index 12859ab2a1953eb2387fa5d3c9eb804fbb8c4f0b..9b1125e515c99068e08475197be88a1012733b86 100644
--- a/src/libnptm/inclu_subs.cpp
+++ b/src/libnptm/inclu_subs.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/lapack_calls.cpp b/src/libnptm/lapack_calls.cpp
index 0b9af94ed13be9f3d9cf408f887bae334738b49e..407a28d3c3774c87744897fc39e97621a7e7b567 100644
--- a/src/libnptm/lapack_calls.cpp
+++ b/src/libnptm/lapack_calls.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/logging.cpp b/src/libnptm/logging.cpp
index 514eeaeed947f5012d2ac2d0948f67884522c7a5..a208e03d944032a9816c011bc12355da00b0470b 100644
--- a/src/libnptm/logging.cpp
+++ b/src/libnptm/logging.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/magma_calls.cpp b/src/libnptm/magma_calls.cpp
index 88a5b811088659bfd213b4d56dcb8406d48a322a..11441645ed86f64a515614fcb8edbfea11377757 100644
--- a/src/libnptm/magma_calls.cpp
+++ b/src/libnptm/magma_calls.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/outputs.cpp b/src/libnptm/outputs.cpp
index 8c4ecf7df21e3ed3d04320eeac8ec58666d2c510..4b6e7265c4cbc62aea148ac2a799db00cb4353c0 100644
--- a/src/libnptm/outputs.cpp
+++ b/src/libnptm/outputs.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/sph_subs.cpp b/src/libnptm/sph_subs.cpp
index a67d2adda340d6ccb6ff78b36297784fbe0d6d7f..10cc50a5eb70a6f225884fee7a2d3e1348f5509c 100644
--- a/src/libnptm/sph_subs.cpp
+++ b/src/libnptm/sph_subs.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/tfrfme.cpp b/src/libnptm/tfrfme.cpp
index d8958b95e23b13f81f2b205ce2dfaa9f4f041e88..f5ea5e2fe2515911fdaadade787afb8b66408e38 100644
--- a/src/libnptm/tfrfme.cpp
+++ b/src/libnptm/tfrfme.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/tra_subs.cpp b/src/libnptm/tra_subs.cpp
index 1f331aef406dcec1e02d86ef16489b01638e565f..4332b85fcc467f82166ce8e9837146e0eaf142bd 100644
--- a/src/libnptm/tra_subs.cpp
+++ b/src/libnptm/tra_subs.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libnptm/utils.cpp b/src/libnptm/utils.cpp
index f989f07565b33e18d93ed6390675468a63b41fb3..679c69622b64026aaeebe2cea8ac1ec6863c86ce 100644
--- a/src/libnptm/utils.cpp
+++ b/src/libnptm/utils.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -19,27 +19,6 @@
  * \brief Implementation of auxiliary code utilities.
  */
 
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
-
-   This program 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
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   A copy of the GNU General Public License is distributed along with
-   this program in the COPYING file. If not, see: <https://www.gnu.org/licenses/>.
- */
-
-/*! \file utils.h
- *
- * \brief Definition of auxiliary code utilities.
- */
-
 #include <hdf5.h>
 #ifndef INCLUDE_TYPES_H_
 #include "../include/types.h"
diff --git a/src/sphere/np_sphere.cpp b/src/sphere/np_sphere.cpp
index e83f1edeedefdc422b30f89540fd1d0b8642ee93..ff9da9a59b23003e35f29e305a988814f18afa8d 100644
--- a/src/sphere/np_sphere.cpp
+++ b/src/sphere/np_sphere.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/sphere/sphere.cpp b/src/sphere/sphere.cpp
index 7d26091f21762d4f1edf166e1a65cf6dd7c92163..1cfddc5c7425c56dfa26efd0ba032341f2fd529c 100644
--- a/src/sphere/sphere.cpp
+++ b/src/sphere/sphere.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/testing/test_TEDF.cpp b/src/testing/test_TEDF.cpp
index eeb975221b36c2c2eb03cfce301b324a3ae0c221..804d55d79bc22d8252ae6bc477bb583a3876b065 100644
--- a/src/testing/test_TEDF.cpp
+++ b/src/testing/test_TEDF.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/testing/test_TTMS.cpp b/src/testing/test_TTMS.cpp
index e662c2c708101481f1e93fb9e839ab9a16479f7e..7687e63466ec9fd2bb0870ddb90f9e5352b4a643 100644
--- a/src/testing/test_TTMS.cpp
+++ b/src/testing/test_TTMS.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/testing/test_file_io.cpp b/src/testing/test_file_io.cpp
index 549866af0286ffc2919224754a0cdf7e48999d2e..2156c1d5b1d34d6371a87a514168bf9846a89801 100644
--- a/src/testing/test_file_io.cpp
+++ b/src/testing/test_file_io.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/trapping/cfrfme.cpp b/src/trapping/cfrfme.cpp
index 5d55db92cbb9378a861dd4f60fb4ce073c429e32..d6db151b63a599058a8589c84093eaf38098acf5 100644
--- a/src/trapping/cfrfme.cpp
+++ b/src/trapping/cfrfme.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/trapping/clffft.cpp b/src/trapping/clffft.cpp
index 4d66d8bad883686c89c169c7afb90641735f1729..6bb97705a63fd75e263fad62a4ab1257e2d07453 100644
--- a/src/trapping/clffft.cpp
+++ b/src/trapping/clffft.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2024   INAF - Osservatorio Astronomico di Cagliari
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/trapping/np_trapping.cpp b/src/trapping/np_trapping.cpp
index 8732506c0c01a91a9535e10736b79d89d2e74f12..053fa6abf5e7476a3385609987804372282ccfd3 100644
--- a/src/trapping/np_trapping.cpp
+++ b/src/trapping/np_trapping.cpp
@@ -1,3 +1,19 @@
+/* Copyright (C) 2025   INAF - Osservatorio Astronomico di Cagliari
+
+   This program 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
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   A copy of the GNU General Public License is distributed along with
+   this program in the COPYING file. If not, see: <https://www.gnu.org/licenses/>.
+ */
+
 /*! \file np_trapping.cpp
  *
  * \brief Trapping problem handler.