Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/AssemblyFactories/MacroStabilityOutwardsFailureMechanismAssemblyFactory.cs
===================================================================
diff -u -r03a42f53227ba94fae59ac8a103861e201138398 -r9f6dc49b475643e2a3c8c07a888f63de5a80fa80
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/AssemblyFactories/MacroStabilityOutwardsFailureMechanismAssemblyFactory.cs	(.../MacroStabilityOutwardsFailureMechanismAssemblyFactory.cs)	(revision 03a42f53227ba94fae59ac8a103861e201138398)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/AssemblyFactories/MacroStabilityOutwardsFailureMechanismAssemblyFactory.cs	(.../MacroStabilityOutwardsFailureMechanismAssemblyFactory.cs)	(revision 9f6dc49b475643e2a3c8c07a888f63de5a80fa80)
@@ -110,10 +110,15 @@
 
             try
             {
+                double n = failureMechanism.MacroStabilityOutwardsProbabilityAssessmentInput.GetN(
+                    failureMechanism.MacroStabilityOutwardsProbabilityAssessmentInput.SectionLength);
+
                 return calculator.AssembleDetailedAssessment(
                     failureMechanismSectionResult.DetailedAssessmentResult,
                     failureMechanismSectionResult.DetailedAssessmentProbability,
-                    CreateAssemblyCategoriesInput(failureMechanism, assessmentSection)).Group;
+                    assessmentSection.FailureMechanismContribution.Norm,
+                    n,
+                    failureMechanism.Contribution / 100).Group;
             }
             catch (FailureMechanismSectionAssemblyCalculatorException e)
             {
@@ -317,14 +322,5 @@
                 throw new AssemblyException(RingtoetsCommonDataResources.FailureMechanismAssemblyFactory_Error_while_assembling_failureMechanism, e);
             }
         }
-
-        private static AssemblyCategoriesInput CreateAssemblyCategoriesInput(MacroStabilityOutwardsFailureMechanism failureMechanism,
-                                                                             IAssessmentSection assessmentSection)
-        {
-            return AssemblyCategoriesInputFactory.CreateAssemblyCategoriesInput(failureMechanism.MacroStabilityOutwardsProbabilityAssessmentInput.GetN(
-                                                                                    failureMechanism.MacroStabilityOutwardsProbabilityAssessmentInput.SectionLength),
-                                                                                failureMechanism,
-                                                                                assessmentSection);
-        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/StandAlone/AssemblyFactories/MacroStabilityOutwardsFailureMechanismAssemblyFactoryTest.cs
===================================================================
diff -u -r9e950b45403740c6bf9146b5f0cdc2ba726462be -r9f6dc49b475643e2a3c8c07a888f63de5a80fa80
--- Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/StandAlone/AssemblyFactories/MacroStabilityOutwardsFailureMechanismAssemblyFactoryTest.cs	(.../MacroStabilityOutwardsFailureMechanismAssemblyFactoryTest.cs)	(revision 9e950b45403740c6bf9146b5f0cdc2ba726462be)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/StandAlone/AssemblyFactories/MacroStabilityOutwardsFailureMechanismAssemblyFactoryTest.cs	(.../MacroStabilityOutwardsFailureMechanismAssemblyFactoryTest.cs)	(revision 9f6dc49b475643e2a3c8c07a888f63de5a80fa80)
@@ -45,17 +45,6 @@
     [TestFixture]
     public class MacroStabilityOutwardsFailureMechanismAssemblyFactoryTest
     {
-        private static void AssertAssemblyCategoriesInput(IAssessmentSection assessmentSection,
-                                                          MacroStabilityOutwardsFailureMechanism failureMechanism,
-                                                          AssemblyCategoriesInput assemblyCategoriesInput)
-        {
-            Assert.AreEqual(assessmentSection.FailureMechanismContribution.SignalingNorm, assemblyCategoriesInput.SignalingNorm);
-            Assert.AreEqual(assessmentSection.FailureMechanismContribution.LowerLimitNorm, assemblyCategoriesInput.LowerLimitNorm);
-            Assert.AreEqual(failureMechanism.Contribution / 100, assemblyCategoriesInput.FailureMechanismContribution);
-            Assert.AreEqual(failureMechanism.MacroStabilityOutwardsProbabilityAssessmentInput.GetN(
-                                failureMechanism.MacroStabilityOutwardsProbabilityAssessmentInput.SectionLength), assemblyCategoriesInput.N);
-        }
-
         #region Simple Assembly
 
         [Test]
@@ -227,7 +216,12 @@
                 // Assert
                 Assert.AreEqual(sectionResult.DetailedAssessmentResult, calculator.DetailedAssessmentProbabilityOnlyResultInput);
                 Assert.AreEqual(sectionResult.DetailedAssessmentProbability, calculator.DetailedAssessmentProbabilityInput);
-                AssertAssemblyCategoriesInput(assessmentSection, failureMechanism, calculator.AssemblyCategoriesInput);
+
+                Assert.AreEqual(assessmentSection.FailureMechanismContribution.Norm, calculator.DetailedAssessmentNormativeNormInput);
+                double expectedN = failureMechanism.MacroStabilityOutwardsProbabilityAssessmentInput.GetN(
+                    failureMechanism.MacroStabilityOutwardsProbabilityAssessmentInput.SectionLength);
+                Assert.AreEqual(expectedN, calculator.DetailedAssessmentFailureMechanismSectionNInput);
+                Assert.AreEqual(failureMechanism.Contribution / 100, calculator.DetailedAssessmentFailureMechanismContribution);
                 mocks.VerifyAll();
             }
         }
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultViews/MacroStabilityOutwardsResultViewTest.cs
===================================================================
diff -u -rabff4c96abe92244fa1cea606223edb85f59e1fd -r9f6dc49b475643e2a3c8c07a888f63de5a80fa80
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultViews/MacroStabilityOutwardsResultViewTest.cs	(.../MacroStabilityOutwardsResultViewTest.cs)	(revision abff4c96abe92244fa1cea606223edb85f59e1fd)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultViews/MacroStabilityOutwardsResultViewTest.cs	(.../MacroStabilityOutwardsResultViewTest.cs)	(revision 9f6dc49b475643e2a3c8c07a888f63de5a80fa80)
@@ -195,7 +195,7 @@
                 Assert.AreEqual(TailorMadeAssessmentProbabilityAndDetailedCalculationResultType.None, cells[tailorMadeAssessmentResultIndex].Value);
                 Assert.AreEqual("-", cells[tailorMadeAssessmentProbabilityIndex].FormattedValue);
                 Assert.AreEqual("Iv", cells[simpleAssemblyCategoryGroupIndex].Value);
-                Assert.AreEqual("VIv", cells[detailedAssemblyCategoryGroupIndex].Value);
+                Assert.AreEqual("IVv", cells[detailedAssemblyCategoryGroupIndex].Value);
                 Assert.AreEqual("VIv", cells[tailorMadeAssemblyCategoryGroupIndex].Value);
                 Assert.AreEqual("VIv", cells[combinedAssemblyCategoryGroupIndex].Value);
                 Assert.AreEqual(false, cells[useManualAssemblyCategoryGroupIndex].Value);