Index: Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Forms/PresentationObjects/ClosingStructuresCalculationContext.cs
===================================================================
diff -u -rf88343c0590cb04c7135ce141872940e59325927 -r8b60c9e846480f3ffeeb263bfea5d3367bf6bee3
--- Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Forms/PresentationObjects/ClosingStructuresCalculationContext.cs	(.../ClosingStructuresCalculationContext.cs)	(revision f88343c0590cb04c7135ce141872940e59325927)
+++ Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Forms/PresentationObjects/ClosingStructuresCalculationContext.cs	(.../ClosingStructuresCalculationContext.cs)	(revision 8b60c9e846480f3ffeeb263bfea5d3367bf6bee3)
@@ -22,6 +22,7 @@
 using System;
 using Ringtoets.ClosingStructures.Data;
 using Ringtoets.Common.Data.AssessmentSection;
+using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.Structures;
 using Ringtoets.Common.Forms.PresentationObjects;
 
@@ -38,12 +39,24 @@
         /// Creates a new instance of <see cref="ClosingStructuresCalculationContext"/>.
         /// </summary>
         /// <param name="wrappedData">The <see cref="StructuresCalculation{T}"/> instance wrapped by this context object.</param>
+        /// <param name="parent">The <see cref="CalculationGroup"/> that owns the wrapped calculation.</param>
         /// <param name="failureMechanism">The failure mechanism which the calculation belongs to.</param>
         /// <param name="assessmentSection">The assessment section which the calculation belongs to.</param>
         /// <exception cref="ArgumentNullException">Thrown when any input argument is <c>null</c>.</exception>
         public ClosingStructuresCalculationContext(StructuresCalculation<ClosingStructuresInput> wrappedData,
+                                                   CalculationGroup parent,
                                                    ClosingStructuresFailureMechanism failureMechanism,
                                                    IAssessmentSection assessmentSection)
-            : base(wrappedData, failureMechanism, assessmentSection) {}
+            : base(wrappedData, failureMechanism, assessmentSection)
+        {
+            if (parent == null)
+            {
+                throw new ArgumentNullException(nameof(parent));
+            }
+
+            Parent = parent;
+        }
+
+        public CalculationGroup Parent { get; }
     }
 }
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