diff --git a/VectoCore/VectoCore/OutputData/XML/XMLCustomerReport.cs b/VectoCore/VectoCore/OutputData/XML/XMLCustomerReport.cs
index d90d1a40f1be732412a86f729d29cb210b6c1e1c..8125516e3189cb3e4e81b6d090dc28420ff6d189 100644
--- a/VectoCore/VectoCore/OutputData/XML/XMLCustomerReport.cs
+++ b/VectoCore/VectoCore/OutputData/XML/XMLCustomerReport.cs
@@ -151,8 +151,12 @@ namespace TUGraz.VectoCore.OutputData.XML
 
 		private XElement GetApplicationInfo()
 		{
+			var versionNumber = VectoSimulationCore.VersionNumber;
+#if RELEASE_CANDIDATE
+			versionNumber += " !!NOT FOR CERTIFICATION!!";
+#endif
 			return new XElement(tns + XMLNames.Report_ApplicationInfo_ApplicationInformation,
-				new XElement(tns + XMLNames.Report_ApplicationInfo_SimulationToolVersion, VectoSimulationCore.VersionNumber),
+				new XElement(tns + XMLNames.Report_ApplicationInfo_SimulationToolVersion, versionNumber),
 				new XElement(tns + XMLNames.Report_ApplicationInfo_Date,
 					XmlConvert.ToString(DateTime.Now, XmlDateTimeSerializationMode.Utc)));
 		}
diff --git a/VectoCore/VectoCore/OutputData/XML/XMLManufacturerReport.cs b/VectoCore/VectoCore/OutputData/XML/XMLManufacturerReport.cs
index 4ab18ea4c812335c62b0f86a52c1d361036b64cd..5ac6e0e68dc0744463772745addf552dc24c115b 100644
--- a/VectoCore/VectoCore/OutputData/XML/XMLManufacturerReport.cs
+++ b/VectoCore/VectoCore/OutputData/XML/XMLManufacturerReport.cs
@@ -342,8 +342,12 @@ namespace TUGraz.VectoCore.OutputData.XML
 
 		private XElement GetApplicationInfo()
 		{
+			var versionNumber = VectoSimulationCore.VersionNumber;
+#if RELEASE_CANDIDATE
+			versionNumber += " !!NOT FOR CERTIFICATION!!";
+#endif
 			return new XElement(tns + XMLNames.Report_ApplicationInfo_ApplicationInformation,
-				new XElement(tns + XMLNames.Report_ApplicationInfo_SimulationToolVersion, VectoSimulationCore.VersionNumber),
+				new XElement(tns + XMLNames.Report_ApplicationInfo_SimulationToolVersion, versionNumber),
 				new XElement(tns + XMLNames.Report_ApplicationInfo_Date,
 					XmlConvert.ToString(DateTime.Now, XmlDateTimeSerializationMode.Utc)));
 		}
diff --git a/VectoCore/VectoCore/Utils/VectoVersionCore.tt b/VectoCore/VectoCore/Utils/VectoVersionCore.tt
index e8d990bf308af3b0fe32bd1ac95b4a8742905b52..568267363d13908989435d9c2d74f00e7c3ac2a9 100644
--- a/VectoCore/VectoCore/Utils/VectoVersionCore.tt
+++ b/VectoCore/VectoCore/Utils/VectoVersionCore.tt
@@ -36,10 +36,17 @@ namespace TUGraz.VectoCore.Utils
 {
 	public static class VectoSimulationCore
 	{
+
+#if RELEASE_CANDIDATE
+		private const string SUFFIX = "-RC";
+#else
+		private const string SUFFIX = "";
+#endif
+
 		public static string VersionNumber
 		{
 			get {
-				return "<#= GetVectoCoreVersionNumber() #>";
+				return "<#= GetVectoCoreVersionNumber() #>" + SUFFIX;
 			}
 		}