Index: Ringtoets/Integration/src/Ringtoets.Integration.IO/Assembly/ExportableAssessmentSection.cs
===================================================================
diff -u -r719d0e6a2b96f912e844a16cfc96c4f7c8da62b7 -rfcb1a3246cfb27c4078ffc52215d71a340e02ea7
--- Ringtoets/Integration/src/Ringtoets.Integration.IO/Assembly/ExportableAssessmentSection.cs	(.../ExportableAssessmentSection.cs)	(revision 719d0e6a2b96f912e844a16cfc96c4f7c8da62b7)
+++ Ringtoets/Integration/src/Ringtoets.Integration.IO/Assembly/ExportableAssessmentSection.cs	(.../ExportableAssessmentSection.cs)	(revision fcb1a3246cfb27c4078ffc52215d71a340e02ea7)
@@ -29,7 +29,7 @@
             ExportableAssessmentSectionAssemblyResult assessmentSectionAssembly,
             IEnumerable<ExportableFailureMechanism<ExportableFailureMechanismAssemblyResultWithProbability>> failureMechanismsWithProbability,
             IEnumerable<ExportableFailureMechanism<ExportableFailureMechanismAssemblyResult>> failureMechanismsWithoutProbability,
-            IEnumerable<ExportableCombinedSectionAssembly> combinedSectionAssemblyResults)
+            ExportableCombinedSectionAssemblyCollection combinedSectionAssemblyResults)
         {
             if (name == null)
             {
@@ -97,6 +97,6 @@
         /// <summary>
         /// Gets the collection of combined section assembly results of this assessment section.
         /// </summary>
-        public IEnumerable<ExportableCombinedSectionAssembly> CombinedSectionAssemblyResults { get; }
+        public ExportableCombinedSectionAssemblyCollection CombinedSectionAssemblyResults { get; }
     }
 }
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