diff --git a/openair-cn/NAS/EURECOM-NAS/src/api/usim/Makefile b/openair-cn/NAS/EURECOM-NAS/src/api/usim/Makefile
index 17da9df1383779e899c984d8b2482974fcf4bbf1..8e7c24a4c4b8098d06c90571ee82ef2b499f18d6 100644
--- a/openair-cn/NAS/EURECOM-NAS/src/api/usim/Makefile
+++ b/openair-cn/NAS/EURECOM-NAS/src/api/usim/Makefile
@@ -1,3 +1,31 @@
+################################################################################
+#   OpenAirInterface
+#   Copyright(c) 1999 - 2014 Eurecom
+#
+#    OpenAirInterface 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.
+#
+#
+#    OpenAirInterface 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.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with OpenAirInterface.The full GNU General Public License is
+#    included in this distribution in the file called "COPYING". If not,
+#    see <http://www.gnu.org/licenses/>.
+#
+#  Contact Information
+#  OpenAirInterface Admin: openair_admin@eurecom.fr
+#  OpenAirInterface Tech : openair_tech@eurecom.fr
+#  OpenAirInterface Dev  : openair4g-devel@eurecom.fr
+#
+#  Address      : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
+#
+################################################################################
 ifndef PROJDIR
 PROJDIR  = $(PWD)/../../..
 INCLUDES = -I. -I$(INCDIR) -I$(UTILDIR) -I$(IESDIR) -I$(EMMMSGDIR) -I$(ESMMSGDIR)