diff --git a/libreplan-business/src/main/java/org/libreplan/business/planner/entities/visitors/AccumulateTasksStatusVisitor.java b/libreplan-business/src/main/java/org/libreplan/business/planner/entities/visitors/AccumulateTasksStatusVisitor.java
index 128edb84b..5e5828133 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/planner/entities/visitors/AccumulateTasksStatusVisitor.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/planner/entities/visitors/AccumulateTasksStatusVisitor.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2011 Igalia, S.L.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.libreplan.business.planner.entities.visitors;
 
 import java.util.HashMap;
diff --git a/libreplan-business/src/main/java/org/libreplan/business/util/Visitor.java b/libreplan-business/src/main/java/org/libreplan/business/util/Visitor.java
index f3cd1370c..3b8f7bffc 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/util/Visitor.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/util/Visitor.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of LibrePlan
+ *
+ * Copyright (C) 2011 Igalia, S.L.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.libreplan.business.util;
 
 import org.libreplan.business.planner.entities.Task;