Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PresentationObjects/HeightStructuresCalculationContext.cs
===================================================================
diff -u -r4bf59bb3506b840b284efe0c0f4431b7876e0e5b -r8b60c9e846480f3ffeeb263bfea5d3367bf6bee3
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PresentationObjects/HeightStructuresCalculationContext.cs	(.../HeightStructuresCalculationContext.cs)	(revision 4bf59bb3506b840b284efe0c0f4431b7876e0e5b)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PresentationObjects/HeightStructuresCalculationContext.cs	(.../HeightStructuresCalculationContext.cs)	(revision 8b60c9e846480f3ffeeb263bfea5d3367bf6bee3)
@@ -21,6 +21,7 @@
 
 using System;
 using Ringtoets.Common.Data.AssessmentSection;
+using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.Structures;
 using Ringtoets.Common.Forms.PresentationObjects;
 using Ringtoets.HeightStructures.Data;
@@ -38,12 +39,24 @@
         /// Creates a new instance of <see cref="HeightStructuresCalculationContext"/>.
         /// </summary>
         /// <param name="calculation">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 context 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 HeightStructuresCalculationContext(StructuresCalculation<HeightStructuresInput> calculation,
+                                                  CalculationGroup parent,
                                                   HeightStructuresFailureMechanism failureMechanism,
                                                   IAssessmentSection assessmentSection)
-            : base(calculation, failureMechanism, assessmentSection) {}
+            : base(calculation, failureMechanism, assessmentSection)
+        {
+            if (parent == null)
+            {
+                throw new ArgumentNullException(nameof(parent));
+            }
+
+            Parent = parent;
+        }
+
+        public CalculationGroup Parent { get; }
     }
 }
\ No newline at end of file