diff --git a/antarest/study/dao/__init__.py b/antarest/study/dao/__init__.py
index e69de29bb2..f1fa536634 100644
--- a/antarest/study/dao/__init__.py
+++ b/antarest/study/dao/__init__.py
@@ -0,0 +1,11 @@
+# Copyright (c) 2024, RTE (https://www.rte-france.com)
+#
+# See AUTHORS.txt
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This file is part of the Antares project.
\ No newline at end of file
diff --git a/antarest/study/dao/link/__init__.py b/antarest/study/dao/link/__init__.py
index e69de29bb2..f1fa536634 100644
--- a/antarest/study/dao/link/__init__.py
+++ b/antarest/study/dao/link/__init__.py
@@ -0,0 +1,11 @@
+# Copyright (c) 2024, RTE (https://www.rte-france.com)
+#
+# See AUTHORS.txt
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This file is part of the Antares project.
\ No newline at end of file