Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultView.cs
===================================================================
diff -u -r3eef90589cad3998343114bcee3a9b381cf0ad47 -r61e93f04c59b265403e1b40d34b7224aaf78b05a
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultView.cs	(.../GrassCoverSlipOffOutwardsResultView.cs)	(revision 3eef90589cad3998343114bcee3a9b381cf0ad47)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultView.cs	(.../GrassCoverSlipOffOutwardsResultView.cs)	(revision 61e93f04c59b265403e1b40d34b7224aaf78b05a)
@@ -65,6 +65,22 @@
             FailureMechanismSectionResultViewColumnBuilder.AddTailorMadeAssessmentResultColumn(
                 DataGridViewControl,
                 nameof(GrassCoverSlipOffOutwardsSectionResultRow.TailorMadeAssessmentResult));
+
+            FailureMechanismSectionResultViewColumnBuilder.AddSimpleAssemblyCategoryGroupColumn(
+                DataGridViewControl,
+                nameof(GrassCoverSlipOffOutwardsSectionResultRow.SimpleAssemblyCategoryGroup));
+
+            FailureMechanismSectionResultViewColumnBuilder.AddDetailedAssemblyCategoryGroupColumn(
+                DataGridViewControl,
+                nameof(GrassCoverSlipOffOutwardsSectionResultRow.DetailedAssemblyCategoryGroup));
+
+            FailureMechanismSectionResultViewColumnBuilder.AddTailorMadeAssemblyCategoryGroupColumn(
+                DataGridViewControl,
+                nameof(GrassCoverSlipOffOutwardsSectionResultRow.TailorMadeAssemblyCategoryGroup));
+
+            FailureMechanismSectionResultViewColumnBuilder.AddCombinedAssemblyCategoryGroupColumn(
+                DataGridViewControl,
+                nameof(GrassCoverSlipOffOutwardsSectionResultRow.CombinedAssemblyCategoryGroup));
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultViewTest.cs
===================================================================
diff -u -r3eef90589cad3998343114bcee3a9b381cf0ad47 -r61e93f04c59b265403e1b40d34b7224aaf78b05a
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultViewTest.cs	(.../GrassCoverSlipOffOutwardsResultViewTest.cs)	(revision 3eef90589cad3998343114bcee3a9b381cf0ad47)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultViewTest.cs	(.../GrassCoverSlipOffOutwardsResultViewTest.cs)	(revision 61e93f04c59b265403e1b40d34b7224aaf78b05a)
@@ -41,7 +41,11 @@
         private const int simpleAssessmentResultIndex = 1;
         private const int detailedAssessmentResultIndex = 2;
         private const int tailorMadeAssessmentResultIndex = 3;
-        private const int columnCount = 4;
+        private const int simpleAssemblyCategoryGroupIndex = 4;
+        private const int detailedAssemblyCategoryGroupIndex = 5;
+        private const int tailorMadeAssemblyCategoryGroupIndex = 6;
+        private const int combinedAssemblyCategoryGroupIndex = 7;
+        private const int columnCount = 8;
 
         [Test]
         public void Constructor_ExpectedValues()
@@ -82,16 +86,28 @@
                 Assert.IsInstanceOf<DataGridViewComboBoxColumn>(dataGridView.Columns[simpleAssessmentResultIndex]);
                 Assert.IsInstanceOf<DataGridViewComboBoxColumn>(dataGridView.Columns[detailedAssessmentResultIndex]);
                 Assert.IsInstanceOf<DataGridViewComboBoxColumn>(dataGridView.Columns[tailorMadeAssessmentResultIndex]);
+                Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[simpleAssemblyCategoryGroupIndex]);
+                Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[detailedAssemblyCategoryGroupIndex]);
+                Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[tailorMadeAssemblyCategoryGroupIndex]);
+                Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[combinedAssemblyCategoryGroupIndex]);
 
                 Assert.AreEqual("Vak", dataGridView.Columns[nameColumnIndex].HeaderText);
                 Assert.AreEqual("Eenvoudige toets", dataGridView.Columns[simpleAssessmentResultIndex].HeaderText);
                 Assert.AreEqual("Gedetailleerde toets per vak", dataGridView.Columns[detailedAssessmentResultIndex].HeaderText);
                 Assert.AreEqual("Toets op maat", dataGridView.Columns[tailorMadeAssessmentResultIndex].HeaderText);
+                Assert.AreEqual("Assemblageresultaat\r\neenvoudige toets", dataGridView.Columns[simpleAssemblyCategoryGroupIndex].HeaderText);
+                Assert.AreEqual("Assemblageresultaat\r\ngedetailleerde toets per vak", dataGridView.Columns[detailedAssemblyCategoryGroupIndex].HeaderText);
+                Assert.AreEqual("Assemblageresultaat\r\ntoets op maat", dataGridView.Columns[tailorMadeAssemblyCategoryGroupIndex].HeaderText);
+                Assert.AreEqual("Assemblageresultaat\r\ngecombineerd", dataGridView.Columns[combinedAssemblyCategoryGroupIndex].HeaderText);
 
                 Assert.IsTrue(dataGridView.Columns[nameColumnIndex].ReadOnly);
                 Assert.IsFalse(dataGridView.Columns[simpleAssessmentResultIndex].ReadOnly);
                 Assert.IsFalse(dataGridView.Columns[detailedAssessmentResultIndex].ReadOnly);
                 Assert.IsFalse(dataGridView.Columns[tailorMadeAssessmentResultIndex].ReadOnly);
+                Assert.IsTrue(dataGridView.Columns[simpleAssemblyCategoryGroupIndex].ReadOnly);
+                Assert.IsTrue(dataGridView.Columns[detailedAssemblyCategoryGroupIndex].ReadOnly);
+                Assert.IsTrue(dataGridView.Columns[tailorMadeAssemblyCategoryGroupIndex].ReadOnly);
+                Assert.IsTrue(dataGridView.Columns[combinedAssemblyCategoryGroupIndex].ReadOnly);
 
                 Assert.AreEqual(DataGridViewAutoSizeColumnsMode.AllCells, dataGridView.AutoSizeColumnsMode);
                 Assert.AreEqual(DataGridViewContentAlignment.MiddleCenter, dataGridView.ColumnHeadersDefaultCellStyle.Alignment);
@@ -125,6 +141,10 @@
                 Assert.AreEqual(SimpleAssessmentResultType.None, cells[simpleAssessmentResultIndex].Value);
                 Assert.AreEqual(DetailedAssessmentResultType.None, cells[detailedAssessmentResultIndex].Value);
                 Assert.AreEqual(TailorMadeAssessmentResultType.None, cells[tailorMadeAssessmentResultIndex].Value);
+                Assert.AreEqual("Iv", cells[simpleAssemblyCategoryGroupIndex].Value);
+                Assert.AreEqual("IIv", cells[detailedAssemblyCategoryGroupIndex].Value);
+                Assert.AreEqual("IIv", cells[tailorMadeAssemblyCategoryGroupIndex].Value);
+                Assert.AreEqual("IIv", cells[combinedAssemblyCategoryGroupIndex].Value);
             }
         }
     }