--- a/src/p4l/migrations/0001_initial.py	Mon Sep 30 16:25:14 2013 +0200
+++ b/src/p4l/migrations/0001_initial.py	Tue Oct 01 02:14:08 2013 +0200
@@ -1,4 +1,36 @@
 # -*- coding: utf-8 -*-
+#
+# Copyright IRI (2013)
+#
+# contact@iri.centrepompidou.fr
+#
+# This software is governed by the CeCILL-B license under French law and
+# abiding by the rules of distribution of free software.  You can  use, 
+# modify and/ or redistribute the software under the terms of the CeCILL-B
+# license as circulated by CEA, CNRS and INRIA at the following URL
+# "http://www.cecill.info". 
+#
+# As a counterpart to the access to the source code and  rights to copy,
+# modify and redistribute granted by the license, users are provided only
+# with a limited warranty  and the software's author,  the holder of the
+# economic rights,  and the successive licensors  have only  limited
+# liability. 
+#
+# In this respect, the user's attention is drawn to the risks associated
+# with loading,  using,  modifying and/or developing or reproducing the
+# software by the user in light of its specific status of free software,
+# that may mean  that it is complicated to manipulate,  and  that  also
+# therefore means  that it is reserved for developers  and  experienced
+# professionals having in-depth computer knowledge. Users are therefore
+# encouraged to load and test the software's suitability as regards their
+# requirements in conditions enabling the security of their systems and/or 
+# data to be ensured and,  more generally, to use and operate it in the 
+# same conditions as regards security. 
+#
+# The fact that you are presently reading this means that you have had
+# knowledge of the CeCILL-B license and that you accept its terms.
+#
+
 import datetime
 
 from django.db import models