diff --git a/plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/actions/ImportOSSFileAction.java b/plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/actions/ImportOSSFileAction.java
index 6cbdfcd5f886dc876c1bcc899c271f347e2bfaf9..5a921786af2252996d4a803649f4288f9a57fb41 100644
--- a/plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/actions/ImportOSSFileAction.java
+++ b/plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/actions/ImportOSSFileAction.java
@@ -1,3 +1,13 @@
+/*******************************************************************************
+ * Copyright (C) 2018 Fondazione Bruno Kessler.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *  
+ * Contributors:
+ *     Luca Cristoforetti - initial API and implementation
+ ******************************************************************************/
 package org.polarsys.chess.OSSImporter.actions;
 
 import org.eclipse.emf.ecore.resource.*;
diff --git a/plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/commands/AddOSSFileCommand.java b/plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/commands/AddOSSFileCommand.java
index bf45328eb31bdb5cf7a5479a6959cc61db801f0c..5e960d6a66a6e827dbc2cd1506acf450b97a685d 100644
--- a/plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/commands/AddOSSFileCommand.java
+++ b/plugins/org.polarsys.chess.OSSImporter/src/org/polarsys/chess/OSSImporter/commands/AddOSSFileCommand.java
@@ -1,3 +1,13 @@
+/*******************************************************************************
+ * Copyright (C) 2018 Fondazione Bruno Kessler.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *  
+ * Contributors:
+ *     Luca Cristoforetti - initial API and implementation
+ ******************************************************************************/
 package org.polarsys.chess.OSSImporter.commands;
 
 import java.io.File;