diff --git a/VectoCore/VectoCore/InputData/FileIO/JSON/JSONBusAuxiliariesEngineeringData.cs b/VectoCore/VectoCore/InputData/FileIO/JSON/JSONBusAuxiliariesEngineeringData.cs
index d28614aaf40a9cd98e028fbf67e382547348ea4f..0be0eb4a5768772e4f99b432e6e466f60a85a57f 100644
--- a/VectoCore/VectoCore/InputData/FileIO/JSON/JSONBusAuxiliariesEngineeringData.cs
+++ b/VectoCore/VectoCore/InputData/FileIO/JSON/JSONBusAuxiliariesEngineeringData.cs
@@ -2,6 +2,7 @@
 using Newtonsoft.Json.Linq;
 using TUGraz.VectoCommon.InputData;
 using TUGraz.VectoCommon.Utils;
+using TUGraz.VectoCore.InputData.FileIO.XML.Declaration.Reader.Impl;
 using TUGraz.VectoCore.Utils;
 
 namespace TUGraz.VectoCore.InputData.FileIO.JSON
@@ -118,7 +119,10 @@ namespace TUGraz.VectoCore.InputData.FileIO.JSON
 
 		public Watt AuxHeaterPower
 		{
-			get { return _hvac.GetEx<double>("AuxHeaterPower").SI<Watt>(); }
+			get
+			{
+				return _hvac.GetEx<double>("AuxHeaterPower").SI<Watt>();
+			}
 		}
 
 		#endregion
diff --git a/VectoCore/VectoCore/InputData/FileIO/XML/Engineering/DataProvider/XMLEngineeringAuxiliariesDataProvider.cs b/VectoCore/VectoCore/InputData/FileIO/XML/Engineering/DataProvider/XMLEngineeringAuxiliariesDataProvider.cs
index 33a568de9ed585ff4ee969e7f25fd86462eee43f..7133d6973914d69ce61e0b42be2165193b9bf87c 100644
--- a/VectoCore/VectoCore/InputData/FileIO/XML/Engineering/DataProvider/XMLEngineeringAuxiliariesDataProvider.cs
+++ b/VectoCore/VectoCore/InputData/FileIO/XML/Engineering/DataProvider/XMLEngineeringAuxiliariesDataProvider.cs
@@ -53,7 +53,8 @@ namespace TUGraz.VectoCore.InputData.FileIO.XML.Engineering.DataProvider
 		{
 			get
 			{
-				throw new NotImplementedException("BuxAux EngineeringXML");
+				// TODO: MQ 20210211 - implement...
+				return null;
 			}
 		}