diff --git a/xos/synchronizer/progran-synchronizer.py b/xos/synchronizer/progran-synchronizer.py
index 93dcb72..9219702 100644
--- a/xos/synchronizer/progran-synchronizer.py
+++ b/xos/synchronizer/progran-synchronizer.py
@@ -1,3 +1,19 @@
+
+# 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.
+
+
 #!/usr/bin/env python
 
 # Runs the standard XOS synchronizer
diff --git a/xos/synchronizer/run.sh b/xos/synchronizer/run.sh
index 779c511..a59b98d 100644
--- a/xos/synchronizer/run.sh
+++ b/xos/synchronizer/run.sh
@@ -1,2 +1,18 @@
+
+# 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.
+
+
 export XOS_DIR=/opt/xos
 python progran-synchronizer.py  -C $XOS_DIR/synchronizers/progran/progran_config
diff --git a/xos/synchronizer/steps/sync_imsi.py b/xos/synchronizer/steps/sync_imsi.py
index bf56767..0149702 100644
--- a/xos/synchronizer/steps/sync_imsi.py
+++ b/xos/synchronizer/steps/sync_imsi.py
@@ -1,3 +1,19 @@
+
+# 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.
+
+
 import os
 import sys
 import requests
diff --git a/xos/synchronizer/steps/sync_profile.py b/xos/synchronizer/steps/sync_profile.py
index 0570d94..68c144d 100644
--- a/xos/synchronizer/steps/sync_profile.py
+++ b/xos/synchronizer/steps/sync_profile.py
@@ -1,3 +1,19 @@
+
+# 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.
+
+
 import os
 import sys
 import requests