Index: Ringtoets/Common/src/Ringtoets.Common.Data/AssessmentSection/IAssessmentSection.cs
===================================================================
diff -u -r4af9b44a7b9bea4035396ef522fe83c4cdd6f398 -r3722e29f53ce7db0f11fb184cdc2a76d33078cf2
--- Ringtoets/Common/src/Ringtoets.Common.Data/AssessmentSection/IAssessmentSection.cs	(.../IAssessmentSection.cs)	(revision 4af9b44a7b9bea4035396ef522fe83c4cdd6f398)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/AssessmentSection/IAssessmentSection.cs	(.../IAssessmentSection.cs)	(revision 3722e29f53ce7db0f11fb184cdc2a76d33078cf2)
@@ -21,6 +21,7 @@
 
 using System.Collections.Generic;
 using Core.Common.Base;
+using Core.Components.Gis.Data;
 using Ringtoets.Common.Data.Contribution;
 using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Data.Hydraulics;
@@ -69,6 +70,11 @@
         HydraulicBoundaryDatabase HydraulicBoundaryDatabase { get; set; }
 
         /// <summary>
+        /// The layer that represents the background for all geo-referenced data.
+        /// </summary>
+        WmtsMapData BackgroundMapData { get; }
+
+        /// <summary>
         /// Gets the failure mechanisms corresponding to the assessment section.
         /// </summary>
         IEnumerable<IFailureMechanism> GetFailureMechanisms();