diff --git a/util/src/test/java/com/ning/billing/mock/api/MockExtBusEvent.java b/util/src/test/java/com/ning/billing/mock/api/MockExtBusEvent.java
index 688c90a..12a2669 100644
--- a/util/src/test/java/com/ning/billing/mock/api/MockExtBusEvent.java
+++ b/util/src/test/java/com/ning/billing/mock/api/MockExtBusEvent.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2010-2013 Ning, Inc.
+ *
+ * Ning licenses this file to you 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.
+ */
+
package com.ning.billing.mock.api;
import java.util.UUID;
