Index: Riskeer/Integration/src/Riskeer.Integration.Forms/Views/AssemblyResultTotalView.Designer.cs
===================================================================
diff -u -r43028e39fdda46eb5dfb3785cc742809469836ce -rccae9df69627ec799cd3abafedb259f9a4e0fc2f
--- Riskeer/Integration/src/Riskeer.Integration.Forms/Views/AssemblyResultTotalView.Designer.cs	(.../AssemblyResultTotalView.Designer.cs)	(revision 43028e39fdda46eb5dfb3785cc742809469836ce)
+++ Riskeer/Integration/src/Riskeer.Integration.Forms/Views/AssemblyResultTotalView.Designer.cs	(.../AssemblyResultTotalView.Designer.cs)	(revision ccae9df69627ec799cd3abafedb259f9a4e0fc2f)
@@ -140,6 +140,7 @@
             this.checkBox.TabIndex = 4;
             this.checkBox.Text = global::Riskeer.Integration.Forms.Properties.Resources.AssemblyResultTotalView_GrassCoverErosionInwards_and_HeightStructures_correlated;
             this.checkBox.UseVisualStyleBackColor = true;
+            this.checkBox.CheckedChanged += new System.EventHandler(this.checkBox_CheckedChanged);
             // 
             // AssemblyResultTotalView
             // 
Index: Riskeer/Integration/src/Riskeer.Integration.Forms/Views/AssemblyResultTotalView.cs
===================================================================
diff -u -r01c40dbdf75bccae38a7728556afe2f8968f55c0 -rccae9df69627ec799cd3abafedb259f9a4e0fc2f
--- Riskeer/Integration/src/Riskeer.Integration.Forms/Views/AssemblyResultTotalView.cs	(.../AssemblyResultTotalView.cs)	(revision 01c40dbdf75bccae38a7728556afe2f8968f55c0)
+++ Riskeer/Integration/src/Riskeer.Integration.Forms/Views/AssemblyResultTotalView.cs	(.../AssemblyResultTotalView.cs)	(revision ccae9df69627ec799cd3abafedb259f9a4e0fc2f)
@@ -76,13 +76,21 @@
 
             InitializeComponent();
 
-            assessmentSectionObserver = new Observer(EnableRefreshButton)
+            assessmentSectionObserver = new Observer(() =>
             {
+                EnableRefreshButton();
+                UpdateFailureMechanismsCorrelatedCheckBox();
+            })
+            {
                 Observable = assessmentSection
             };
 
-            assessmentSectionResultObserver = new Observer(EnableRefreshButton)
+            assessmentSectionResultObserver = new Observer(() =>
             {
+                EnableRefreshButton();
+                UpdateFailureMechanismsCorrelatedCheckBox();
+            })
+            {
                 Observable = new AssessmentSectionResultObserver(assessmentSection)
             };
         }
@@ -100,6 +108,7 @@
 
             InitializeDataGridView();
             UpdateAssemblyResultControls();
+            UpdateFailureMechanismsCorrelatedCheckBox();
 
             dataGridViewControl.CellFormatting += HandleCellStyling;
         }
@@ -126,6 +135,12 @@
             }
         }
 
+        private void UpdateFailureMechanismsCorrelatedCheckBox()
+        {
+            checkBox.Visible = AssessmentSectionAssemblyHelper.AllCorrelatedFailureMechanismsInAssembly(AssessmentSection);
+            checkBox.Checked = AssessmentSection.AreFailureMechanismsCorrelated;
+        }
+
         private void InitializeDataGridView()
         {
             dataGridViewControl.AddTextBoxColumn(nameof(FailureMechanismAssemblyResultRow.Name),
@@ -337,5 +352,11 @@
         }
 
         #endregion
+
+        private void checkBox_CheckedChanged(object sender, EventArgs e)
+        {
+            EnableRefreshButton();
+            AssessmentSection.AreFailureMechanismsCorrelated = checkBox.Checked;
+        }
     }
 }
\ No newline at end of file
Index: Riskeer/Integration/test/Riskeer.Integration.Forms.Test/Views/AssemblyResultTotalViewTest.cs
===================================================================
diff -u -r43028e39fdda46eb5dfb3785cc742809469836ce -rccae9df69627ec799cd3abafedb259f9a4e0fc2f
--- Riskeer/Integration/test/Riskeer.Integration.Forms.Test/Views/AssemblyResultTotalViewTest.cs	(.../AssemblyResultTotalViewTest.cs)	(revision 43028e39fdda46eb5dfb3785cc742809469836ce)
+++ Riskeer/Integration/test/Riskeer.Integration.Forms.Test/Views/AssemblyResultTotalViewTest.cs	(.../AssemblyResultTotalViewTest.cs)	(revision ccae9df69627ec799cd3abafedb259f9a4e0fc2f)
@@ -47,6 +47,7 @@
 using Riskeer.HeightStructures.Data;
 using Riskeer.HeightStructures.Data.TestUtil;
 using Riskeer.Integration.Data;
+using Riskeer.Integration.Data.Assembly;
 using Riskeer.Integration.Data.StandAlone;
 using Riskeer.Integration.Forms.Controls;
 using Riskeer.Integration.Forms.Views;
@@ -118,14 +119,15 @@
                 Assert.AreEqual(DockStyle.Top, tableLayoutPanel.Dock);
                 Assert.AreEqual(2, tableLayoutPanel.ColumnCount);
                 Assert.AreEqual(1, tableLayoutPanel.RowCount);
-                
+
                 var assemblyResultControl = (AssessmentSectionAssemblyResultControl) tableLayoutPanel.GetControlFromPosition(0, 0);
                 Assert.AreEqual(DockStyle.Fill, assemblyResultControl.Dock);
 
                 var checkBox = (CheckBox) tableLayoutPanel.GetControlFromPosition(1, 0);
                 Assert.AreEqual("GEKB en HTKW gecorreleerd", checkBox.Text);
+                Assert.AreEqual(assessmentSection.AreFailureMechanismsCorrelated, checkBox.Checked);
                 Assert.AreEqual(DockStyle.Bottom, checkBox.Dock);
-                
+
                 var label = (Label) new ControlTester("label").TheObject;
                 Assert.AreEqual("Samenvatting resultaten per faalmechanisme:", label.Text);
 
@@ -147,6 +149,118 @@
         }
 
         [Test]
+        public void GivenFormWithAssemblyResultTotalViewAndAllCorrelatedFailureMechanismsInAssemblyTrue_ThenCheckboxVisible()
+        {
+            // Given
+            AssessmentSection assessmentSection = CreateAssessmentSection();
+            assessmentSection.HeightStructures.InAssembly = true;
+            assessmentSection.GrassCoverErosionInwards.InAssembly = true;
+
+            using (ShowAssemblyResultTotalView(assessmentSection))
+            {
+                // Precondition
+                bool allCorrelatedFailureMechanismsInAssembly = AssessmentSectionAssemblyHelper.AllCorrelatedFailureMechanismsInAssembly(assessmentSection);
+                Assert.IsTrue(allCorrelatedFailureMechanismsInAssembly);
+
+                // Then
+                CheckBox checkBox = GetCorrelatedFailureMechanismsCheckBox();
+                Assert.IsTrue(checkBox.Visible);
+            }
+        }
+
+        [Test]
+        public void GivenFormWithAssemblyResultTotalViewAndAllCorrelatedFailureMechanismsInAssemblyFalse_ThenCheckboxNotVisible()
+        {
+            // Given
+            AssessmentSection assessmentSection = CreateAssessmentSection();
+            assessmentSection.HeightStructures.InAssembly = false;
+
+            using (ShowAssemblyResultTotalView(assessmentSection))
+            {
+                // Precondition
+                bool allCorrelatedFailureMechanismsInAssembly = AssessmentSectionAssemblyHelper.AllCorrelatedFailureMechanismsInAssembly(assessmentSection);
+                Assert.IsFalse(allCorrelatedFailureMechanismsInAssembly);
+
+                // Then
+                CheckBox checkBox = GetCorrelatedFailureMechanismsCheckBox();
+                Assert.IsFalse(checkBox.Visible);
+            }
+        }
+
+        [Test]
+        public void GivenFormWithAssemblyResultTotalViewAndAllCorrelatedFailureMechanismsInAssemblyFalse_WhenAllCorrelatedFailureMechanismsInAssemblyTrueAndFailureMechanismNotifyObservers_ThenCheckboxVisible()
+        {
+            // Given
+            AssessmentSection assessmentSection = CreateAssessmentSection();
+            assessmentSection.HeightStructures.InAssembly = false;
+
+            using (ShowAssemblyResultTotalView(assessmentSection))
+            {
+                // Precondition
+                CheckBox checkBox = GetCorrelatedFailureMechanismsCheckBox();
+                Assert.IsFalse(checkBox.Visible);
+
+                // When
+                assessmentSection.HeightStructures.InAssembly = true;
+                assessmentSection.HeightStructures.NotifyObservers();
+
+                // Then
+                Assert.IsTrue(checkBox.Visible);
+            }
+        }
+
+        [Test]
+        public void GivenFormWithAssemblyResultTotalViewAndAllCorrelatedFailureMechanismsInAssemblyFalse_WhenAllCorrelatedFailureMechanismsInAssemblyTrueAndAssessmentSectionNotifyObservers_ThenCheckboxVisible()
+        {
+            // Given
+            AssessmentSection assessmentSection = CreateAssessmentSection();
+            assessmentSection.HeightStructures.InAssembly = false;
+
+            using (ShowAssemblyResultTotalView(assessmentSection))
+            {
+                // Precondition
+                CheckBox checkBox = GetCorrelatedFailureMechanismsCheckBox();
+                Assert.IsFalse(checkBox.Visible);
+
+                // When
+                assessmentSection.HeightStructures.InAssembly = true;
+                assessmentSection.NotifyObservers();
+
+                // Then
+                Assert.IsTrue(checkBox.Visible);
+            }
+        }
+
+        [Test]
+        public void GivenFormWithAssemblyResultTotalViewAndAllCorrelatedFailureMechanismsInAssemblyTrue_WhenCheckingCheckBox_ThenRefreshButtonEnabledWithWarningAndAreFailureMechanismsCorrelatedSet()
+        {
+            // Given
+            AssessmentSection assessmentSection = CreateAssessmentSection();
+            assessmentSection.HeightStructures.InAssembly = true;
+            assessmentSection.GrassCoverErosionInwards.InAssembly = true;
+
+            using (AssemblyResultTotalView view = ShowAssemblyResultTotalView(assessmentSection))
+            {
+                // Precondition
+                ButtonTester buttonTester = GetRefreshAssemblyResultButtonTester();
+                Button button = buttonTester.Properties;
+                Assert.IsFalse(button.Enabled);
+                ErrorProvider warningProvider = GetWarningProvider(view);
+                Assert.IsEmpty(warningProvider.GetError(button));
+
+                // When
+                CheckBox checkBox = GetCorrelatedFailureMechanismsCheckBox();
+                checkBox.Checked = true;
+
+                // Then
+                Assert.AreEqual(checkBox.Checked, assessmentSection.AreFailureMechanismsCorrelated);
+
+                Assert.IsTrue(button.Enabled);
+                Assert.AreEqual(assemblyResultOutdatedWarning, warningProvider.GetError(button));
+            }
+        }
+
+        [Test]
         public void GivenFormWithAssemblyResultTotalView_ThenExpectedColumnsAreVisible()
         {
             // Given
@@ -655,6 +769,11 @@
             return TypeUtils.GetField<ErrorProvider>(resultControl, "warningProvider");
         }
 
+        private static CheckBox GetCorrelatedFailureMechanismsCheckBox()
+        {
+            return (CheckBox) new CheckBoxTester("checkBox").TheObject;
+        }
+
         #endregion
 
         #region Asserts datagrid control