Index: Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/ICalculationContext.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -r8b60c9e846480f3ffeeb263bfea5d3367bf6bee3
--- Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/ICalculationContext.cs	(.../ICalculationContext.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/ICalculationContext.cs	(.../ICalculationContext.cs)	(revision 8b60c9e846480f3ffeeb263bfea5d3367bf6bee3)
@@ -40,6 +40,11 @@
         TCalculationBase WrappedData { get; }
 
         /// <summary>
+        /// Gets the calculation group that owns the wrapped calculation item.
+        /// </summary>
+        CalculationGroup Parent { get; }
+
+        /// <summary>
         /// Gets the failure mechanism the wrapped calculation item belongs to.
         /// </summary>
         TFailureMechanism FailureMechanism { get; }