diff --git a/src/policy/src/main/java/org/etsi/tfs/policy/exception/ExternalServiceFailureException.java b/src/policy/src/main/java/org/etsi/tfs/policy/exception/ExternalServiceFailureException.java
index c04156d99f2844a07a6ed0b5b58a2203630546a0..9e11822f6cda87c4050a74317b4bb613dcd3ea75 100644
--- a/src/policy/src/main/java/org/etsi/tfs/policy/exception/ExternalServiceFailureException.java
+++ b/src/policy/src/main/java/org/etsi/tfs/policy/exception/ExternalServiceFailureException.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
+ *
+ * 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.
+ */
+
 package org.etsi.tfs.policy.exception;
 
 public class ExternalServiceFailureException extends RuntimeException {
diff --git a/src/policy/src/main/java/org/etsi/tfs/policy/exception/GeneralExceptionHandler.java b/src/policy/src/main/java/org/etsi/tfs/policy/exception/GeneralExceptionHandler.java
index 9c92ef75867231e02644baa68d702f3b5bec88ff..f2d3a97d251e54865b8097b44009afce675f589a 100644
--- a/src/policy/src/main/java/org/etsi/tfs/policy/exception/GeneralExceptionHandler.java
+++ b/src/policy/src/main/java/org/etsi/tfs/policy/exception/GeneralExceptionHandler.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
+ *
+ * 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.
+ */
+
 package org.etsi.tfs.policy.exception;
 
 import io.grpc.Metadata;
diff --git a/src/policy/src/main/java/org/etsi/tfs/policy/exception/NewException.java b/src/policy/src/main/java/org/etsi/tfs/policy/exception/NewException.java
index 96010e9c483b2640bab670bee738ea9d703fabc2..9bc8cd02d96b3099113418dfc7197e4aebff95b3 100644
--- a/src/policy/src/main/java/org/etsi/tfs/policy/exception/NewException.java
+++ b/src/policy/src/main/java/org/etsi/tfs/policy/exception/NewException.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
+ *
+ * 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.
+ */
+
 package org.etsi.tfs.policy.exception;
 
 public class NewException extends RuntimeException {
diff --git a/src/policy/src/main/java/org/etsi/tfs/policy/policy/model/PolicyRuleBase.java b/src/policy/src/main/java/org/etsi/tfs/policy/policy/model/PolicyRuleBase.java
index 6711fa77e1af17f00cb3d80c13d30bf23c57ae12..76f073b5cb9998cf83a81255219e8cf9706e1027 100644
--- a/src/policy/src/main/java/org/etsi/tfs/policy/policy/model/PolicyRuleBase.java
+++ b/src/policy/src/main/java/org/etsi/tfs/policy/policy/model/PolicyRuleBase.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
+ *
+ * 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.
+ */
+
 package org.etsi.tfs.policy.policy.model;
 
 import java.util.List;