Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/Assembly/CombinedAssemblyFailureMechanismSectionFactory.cs
===================================================================
diff -u -r9345e890865181247dd6c0b8ecee8d79a30c433b -r5f1a25cd31abb3bc15f8f6aeaa5ee6bfa2970bd7
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/Assembly/CombinedAssemblyFailureMechanismSectionFactory.cs	(.../CombinedAssemblyFailureMechanismSectionFactory.cs)	(revision 9345e890865181247dd6c0b8ecee8d79a30c433b)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/Assembly/CombinedAssemblyFailureMechanismSectionFactory.cs	(.../CombinedAssemblyFailureMechanismSectionFactory.cs)	(revision 5f1a25cd31abb3bc15f8f6aeaa5ee6bfa2970bd7)
@@ -143,6 +143,14 @@
                                .ToArray());
             }
 
+            GrassCoverSlipOffInwardsFailureMechanism grassCoverSlipOffInwardsFailureMechanism = assessmentSection.GrassCoverSlipOffInwards;
+            if (failureMechanisms.Contains(grassCoverSlipOffOutwardsFailureMechanism))
+            {
+                inputs.Add(CreateCombinedSections(grassCoverSlipOffInwardsFailureMechanism.SectionResults,
+                                                  assessmentSection, GrassCoverSlipOffInwardsAssemblyFunc)
+                               .ToArray());
+            }
+
             return inputs;
         }
 
@@ -254,6 +262,14 @@
             }
         }
 
+        private static Func<GrassCoverSlipOffInwardsFailureMechanismSectionResult, AssessmentSection, FailureMechanismSectionAssemblyCategoryGroup> GrassCoverSlipOffInwardsAssemblyFunc
+        {
+            get
+            {
+                return (sectionResult, assessmentSection) => GrassCoverSlipOffInwardsFailureMechanismAssemblyFactory.GetSectionAssemblyCategoryGroup(sectionResult);
+            }
+        }
+
         #endregion
     }
 }
\ No newline at end of file
Index: Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Assembly/CombinedAssemblyFailureMechanismSectionFactoryTest.cs
===================================================================
diff -u -r9345e890865181247dd6c0b8ecee8d79a30c433b -r5f1a25cd31abb3bc15f8f6aeaa5ee6bfa2970bd7
--- Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Assembly/CombinedAssemblyFailureMechanismSectionFactoryTest.cs	(.../CombinedAssemblyFailureMechanismSectionFactoryTest.cs)	(revision 9345e890865181247dd6c0b8ecee8d79a30c433b)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Assembly/CombinedAssemblyFailureMechanismSectionFactoryTest.cs	(.../CombinedAssemblyFailureMechanismSectionFactoryTest.cs)	(revision 5f1a25cd31abb3bc15f8f6aeaa5ee6bfa2970bd7)
@@ -75,7 +75,7 @@
                     assessmentSection, assessmentSection.GetFailureMechanisms()).ToArray();
 
                 // Assert
-                Assert.AreEqual(10, inputs.Length);
+                Assert.AreEqual(11, inputs.Length);
                 AssertSections(assessmentSection.Piping.SectionResults.ToArray(), inputs[0].ToArray());
                 AssertSections(assessmentSection.GrassCoverErosionInwards.SectionResults.ToArray(), inputs[1].ToArray());
                 AssertSections(assessmentSection.MacroStabilityInwards.SectionResults.ToArray(), inputs[2].ToArray());
@@ -86,6 +86,7 @@
                 AssertSections(assessmentSection.WaterPressureAsphaltCover.SectionResults.ToArray(), inputs[7].ToArray());
                 AssertSections(assessmentSection.GrassCoverErosionOutwards.SectionResults.ToArray(), inputs[8].ToArray());
                 AssertSections(assessmentSection.GrassCoverSlipOffOutwards.SectionResults.ToArray(), inputs[9].ToArray());
+                AssertSections(assessmentSection.GrassCoverSlipOffInwards.SectionResults.ToArray(), inputs[10].ToArray());
             }
         }