diff --git a/nb-repository-plugin/README.md b/nb-repository-plugin/README.md
index fb922b3..bd2fea0 100644
--- a/nb-repository-plugin/README.md
+++ b/nb-repository-plugin/README.md
@@ -1,3 +1,24 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF 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.
+
+-->
+
 #NetBeans Repository plugin
 
 The plugin is capable of populating the local or remote maven repository with module jars and NBM files from a given NetBeans installation. Useful for
diff --git a/nb-repository-plugin/pom.xml b/nb-repository-plugin/pom.xml
index ea75681..fc4ca84 100644
--- a/nb-repository-plugin/pom.xml
+++ b/nb-repository-plugin/pom.xml
@@ -286,6 +286,11 @@
                 <artifactId>taglist-maven-plugin</artifactId>
                 <version>2.4</version>
             </plugin>
+            <plugin>
+                <groupId>org.apache.rat</groupId>
+                <artifactId>apache-rat-plugin</artifactId>
+                <version>0.12</version>
+            </plugin>
         </plugins>
     </reporting>
     <profiles>
diff --git a/nb-repository-plugin/src/it/folder/pom.xml b/nb-repository-plugin/src/it/folder/pom.xml
index 570f86d..4c6c5e4 100644
--- a/nb-repository-plugin/src/it/folder/pom.xml
+++ b/nb-repository-plugin/src/it/folder/pom.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF 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.
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
diff --git a/nb-repository-plugin/src/it/pom.xml b/nb-repository-plugin/src/it/pom.xml
index 6e264b2..84b1664 100644
--- a/nb-repository-plugin/src/it/pom.xml
+++ b/nb-repository-plugin/src/it/pom.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF 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.
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.codehaus.mojo</groupId>
diff --git a/nb-repository-plugin/src/site/apt/index.apt b/nb-repository-plugin/src/site/apt/index.apt
index 99701c1..575e014 100644
--- a/nb-repository-plugin/src/site/apt/index.apt
+++ b/nb-repository-plugin/src/site/apt/index.apt
@@ -1,3 +1,20 @@
+~~ Licensed to the Apache Software Foundation (ASF) under one
+~~ or more contributor license agreements.  See the NOTICE file
+~~ distributed with this work for additional information
+~~ regarding copyright ownership.  The ASF 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.
+
  ------
  Maven 2 NB Repository Plugin 
  ------
diff --git a/nb-repository-plugin/src/site/apt/repository.apt b/nb-repository-plugin/src/site/apt/repository.apt
index f7c0bd4..5907ff4 100644
--- a/nb-repository-plugin/src/site/apt/repository.apt
+++ b/nb-repository-plugin/src/site/apt/repository.apt
@@ -1,3 +1,20 @@
+~~ Licensed to the Apache Software Foundation (ASF) under one
+~~ or more contributor license agreements.  See the NOTICE file
+~~ distributed with this work for additional information
+~~ regarding copyright ownership.  The ASF 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.
+
  ------
  Maven 2 NB Repository Plugin 
  ------
diff --git a/nb-repository-plugin/src/site/site.xml b/nb-repository-plugin/src/site/site.xml
index c632a25..a651dab 100644
--- a/nb-repository-plugin/src/site/site.xml
+++ b/nb-repository-plugin/src/site/site.xml
@@ -1,5 +1,19 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
 <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF 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.
 -->
 <project xmlns="http://maven.apache.org/DECORATION/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/DECORATION/1.0.0 http://maven.apache.org/xsd/decoration-1.0.0.xsd">
   <body>
diff --git a/nb-repository-plugin/src/test/resources/PopulateMojoTest.xml b/nb-repository-plugin/src/test/resources/PopulateMojoTest.xml
index 1820ea3..233d42c 100644
--- a/nb-repository-plugin/src/test/resources/PopulateMojoTest.xml
+++ b/nb-repository-plugin/src/test/resources/PopulateMojoTest.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF 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.
+-->
 <project>
     <build>
         <plugins>