Index: Ringtoets/Piping/src/Ringtoets.Piping.Service/DateTimeService.cs
===================================================================
diff -u -ra950714ad9510756331d862aa35695fa0b2ed03b -rc8848af0c6f8780634dcce2013e606f090da6577
--- Ringtoets/Piping/src/Ringtoets.Piping.Service/DateTimeService.cs	(.../DateTimeService.cs)	(revision a950714ad9510756331d862aa35695fa0b2ed03b)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Service/DateTimeService.cs	(.../DateTimeService.cs)	(revision c8848af0c6f8780634dcce2013e606f090da6577)
@@ -1,5 +1,26 @@
-using System;
+// Copyright (C) Stichting Deltares 2016. All rights preserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of 
+// Stichting Deltares and remain full property of Stichting Deltares at all times. 
+// All rights preserved.
 
+using System;
+
 namespace Ringtoets.Piping.Service
 {
     /// <summary>