Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultView.cs
===================================================================
diff -u -r61e93f04c59b265403e1b40d34b7224aaf78b05a -r6b879e6f15ea2312228fd3cae96d4bc8f14ccebf
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultView.cs	(.../GrassCoverSlipOffOutwardsResultView.cs)	(revision 61e93f04c59b265403e1b40d34b7224aaf78b05a)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultView.cs	(.../GrassCoverSlipOffOutwardsResultView.cs)	(revision 6b879e6f15ea2312228fd3cae96d4bc8f14ccebf)
@@ -81,6 +81,14 @@
             FailureMechanismSectionResultViewColumnBuilder.AddCombinedAssemblyCategoryGroupColumn(
                 DataGridViewControl,
                 nameof(GrassCoverSlipOffOutwardsSectionResultRow.CombinedAssemblyCategoryGroup));
+
+            FailureMechanismSectionResultViewColumnBuilder.AddUseManualAssemblyCategoryGroupColumn(
+                DataGridViewControl,
+                nameof(GrassCoverSlipOffOutwardsSectionResultRow.UseManualAssemblyCategoryGroup));
+
+            FailureMechanismSectionResultViewColumnBuilder.AddManualAssemblyCategoryGroupColumn(
+                DataGridViewControl,
+                nameof(GrassCoverSlipOffOutwardsSectionResultRow.ManualAssemblyCategoryGroup));
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultViewTest.cs
===================================================================
diff -u -r61e93f04c59b265403e1b40d34b7224aaf78b05a -r6b879e6f15ea2312228fd3cae96d4bc8f14ccebf
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultViewTest.cs	(.../GrassCoverSlipOffOutwardsResultViewTest.cs)	(revision 61e93f04c59b265403e1b40d34b7224aaf78b05a)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultViews/GrassCoverSlipOffOutwardsResultViewTest.cs	(.../GrassCoverSlipOffOutwardsResultViewTest.cs)	(revision 6b879e6f15ea2312228fd3cae96d4bc8f14ccebf)
@@ -23,6 +23,7 @@
 using Core.Common.Base;
 using NUnit.Extensions.Forms;
 using NUnit.Framework;
+using Ringtoets.AssemblyTool.Forms;
 using Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Calculators;
 using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.Common.Forms.Views;
@@ -45,7 +46,9 @@
         private const int detailedAssemblyCategoryGroupIndex = 5;
         private const int tailorMadeAssemblyCategoryGroupIndex = 6;
         private const int combinedAssemblyCategoryGroupIndex = 7;
-        private const int columnCount = 8;
+        private const int useManualAssemblyCategoryGroupIndex = 8;
+        private const int manualAssemblyCategoryGroupIndex = 9;
+        private const int columnCount = 10;
 
         [Test]
         public void Constructor_ExpectedValues()
@@ -90,6 +93,8 @@
                 Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[detailedAssemblyCategoryGroupIndex]);
                 Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[tailorMadeAssemblyCategoryGroupIndex]);
                 Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[combinedAssemblyCategoryGroupIndex]);
+                Assert.IsInstanceOf<DataGridViewCheckBoxColumn>(dataGridView.Columns[useManualAssemblyCategoryGroupIndex]);
+                Assert.IsInstanceOf<DataGridViewComboBoxColumn>(dataGridView.Columns[manualAssemblyCategoryGroupIndex]);
 
                 Assert.AreEqual("Vak", dataGridView.Columns[nameColumnIndex].HeaderText);
                 Assert.AreEqual("Eenvoudige toets", dataGridView.Columns[simpleAssessmentResultIndex].HeaderText);
@@ -99,6 +104,8 @@
                 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.AreEqual("Overschrijf\r\nassemblageresultaat", dataGridView.Columns[useManualAssemblyCategoryGroupIndex].HeaderText);
+                Assert.AreEqual("Assemblageresultaat\r\nhandmatig", dataGridView.Columns[manualAssemblyCategoryGroupIndex].HeaderText);
 
                 Assert.IsTrue(dataGridView.Columns[nameColumnIndex].ReadOnly);
                 Assert.IsFalse(dataGridView.Columns[simpleAssessmentResultIndex].ReadOnly);
@@ -108,6 +115,8 @@
                 Assert.IsTrue(dataGridView.Columns[detailedAssemblyCategoryGroupIndex].ReadOnly);
                 Assert.IsTrue(dataGridView.Columns[tailorMadeAssemblyCategoryGroupIndex].ReadOnly);
                 Assert.IsTrue(dataGridView.Columns[combinedAssemblyCategoryGroupIndex].ReadOnly);
+                Assert.IsFalse(dataGridView.Columns[useManualAssemblyCategoryGroupIndex].ReadOnly);
+                Assert.IsFalse(dataGridView.Columns[manualAssemblyCategoryGroupIndex].ReadOnly);
 
                 Assert.AreEqual(DataGridViewAutoSizeColumnsMode.AllCells, dataGridView.AutoSizeColumnsMode);
                 Assert.AreEqual(DataGridViewContentAlignment.MiddleCenter, dataGridView.ColumnHeadersDefaultCellStyle.Alignment);
@@ -145,6 +154,8 @@
                 Assert.AreEqual("IIv", cells[detailedAssemblyCategoryGroupIndex].Value);
                 Assert.AreEqual("IIv", cells[tailorMadeAssemblyCategoryGroupIndex].Value);
                 Assert.AreEqual("IIv", cells[combinedAssemblyCategoryGroupIndex].Value);
+                Assert.AreEqual(false, cells[useManualAssemblyCategoryGroupIndex].Value);
+                Assert.AreEqual(SelectableFailureMechanismSectionAssemblyCategoryGroup.None, cells[manualAssemblyCategoryGroupIndex].Value);
             }
         }
     }