diff --git a/xos/synchronizer/templates/before.rules.j2 b/xos/synchronizer/templates/before.rules.j2
index b60aaef..e494e52 100644
--- a/xos/synchronizer/templates/before.rules.j2
+++ b/xos/synchronizer/templates/before.rules.j2
@@ -1,3 +1,21 @@
+
+{#
+Copyright 2017-present Open Networking Foundation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+#}
+
+
 #
 # rules.before
 #