diff --git a/appc-oam/appc-oam-bundle/src/main/yang/appc-oam.yang b/appc-oam/appc-oam-bundle/src/main/yang/appc-oam.yang
index 364707e..a2c6449 100644
--- a/appc-oam/appc-oam-bundle/src/main/yang/appc-oam.yang
+++ b/appc-oam/appc-oam-bundle/src/main/yang/appc-oam.yang
@@ -1,3 +1,27 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
 module appc-oam-impl {
 
     yang-version 1;