diff --git a/src/main/java/com/ning/billing/recurly/model/Usage.java b/src/main/java/com/ning/billing/recurly/model/Usage.java
index <HASH>..<HASH> 100644
--- a/src/main/java/com/ning/billing/recurly/model/Usage.java
+++ b/src/main/java/com/ning/billing/recurly/model/Usage.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2010-2014 Ning, Inc.
+ * Copyright 2014-2015 The Billing Project, LLC
+ *
+ * The Billing Project 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.recurly.model;
 
 import org.joda.time.DateTime;
Added Usage object and methods to post subscription usage.