Index: Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/FailureMechanismSectionsProperties.cs
===================================================================
diff -u -rb19983374f4a64979bbb5167bcab288a921aa5e5 -r23a6dd9ff6a575884879762e0e4aff01e21611ea
--- Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/FailureMechanismSectionsProperties.cs	(.../FailureMechanismSectionsProperties.cs)	(revision b19983374f4a64979bbb5167bcab288a921aa5e5)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/FailureMechanismSectionsProperties.cs	(.../FailureMechanismSectionsProperties.cs)	(revision 23a6dd9ff6a575884879762e0e4aff01e21611ea)
@@ -23,6 +23,7 @@
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
+using Core.Common.Base;
 using Core.Common.Gui.Attributes;
 using Core.Common.Gui.Converters;
 using Core.Common.Gui.PropertyBag;
@@ -37,19 +38,31 @@
     /// </summary>
     public class FailureMechanismSectionsProperties : ObjectProperties<IEnumerable<FailureMechanismSection>>
     {
+        private readonly Observer failureMechanismObserver;
+
         /// <summary>
         /// Creates a new instance of <see cref="FailureMechanismSectionsProperties"/>.
         /// </summary>
         /// <param name="sections">The sections to show the properties for.</param>
-        /// <exception cref="ArgumentNullException">Thrown when <paramref name="sections"/>
-        /// is <c>null</c>.</exception>
-        public FailureMechanismSectionsProperties(IEnumerable<FailureMechanismSection> sections)
+        /// <param name="failureMechanism">The failure mechanisms which the sections belong to.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
+        public FailureMechanismSectionsProperties(IEnumerable<FailureMechanismSection> sections, IFailureMechanism failureMechanism)
         {
             if (sections == null)
             {
                 throw new ArgumentNullException(nameof(sections));
             }
 
+            if (failureMechanism == null)
+            {
+                throw new ArgumentNullException(nameof(failureMechanism));
+            }
+
+            failureMechanismObserver = new Observer(OnRefreshRequired)
+            {
+                Observable = failureMechanism
+            };
+
             Data = sections;
         }
 
@@ -65,5 +78,12 @@
                 return data.Select(section => new FailureMechanismSectionProperties(section)).ToArray();
             }
         }
+
+        public override void Dispose()
+        {
+            failureMechanismObserver.Dispose();
+
+            base.Dispose();
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PropertyClasses/FailureMechanismSectionsPropertiesTest.cs
===================================================================
diff -u -rf5df90d2b494f01b2b7daf90e8453e0e010688b5 -r23a6dd9ff6a575884879762e0e4aff01e21611ea
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PropertyClasses/FailureMechanismSectionsPropertiesTest.cs	(.../FailureMechanismSectionsPropertiesTest.cs)	(revision f5df90d2b494f01b2b7daf90e8453e0e010688b5)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PropertyClasses/FailureMechanismSectionsPropertiesTest.cs	(.../FailureMechanismSectionsPropertiesTest.cs)	(revision 23a6dd9ff6a575884879762e0e4aff01e21611ea)
@@ -27,7 +27,9 @@
 using Core.Common.Gui.PropertyBag;
 using Core.Common.TestUtil;
 using NUnit.Framework;
+using Rhino.Mocks;
 using Ringtoets.Common.Data.FailureMechanism;
+using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.Common.Forms.PropertyClasses;
 
 namespace Ringtoets.Common.Forms.Test.PropertyClasses
@@ -38,22 +40,46 @@
         [Test]
         public void Constructor_FailureMechanismSectionsNull_ThrowsArgumentNullException()
         {
+            // Setup
+            var mocks = new MockRepository();
+            var failureMechanism = mocks.Stub<IFailureMechanism>();
+            mocks.ReplayAll();
+
             // Call
-            TestDelegate call = () => new FailureMechanismSectionsProperties(null);
+            TestDelegate call = () => new FailureMechanismSectionsProperties(null, failureMechanism);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(call);
             Assert.AreEqual("sections", exception.ParamName);
+            mocks.VerifyAll();
         }
 
         [Test]
+        public void Constructor_FailureMechanismNull_ThrowsArgumentNullException()
+        {
+            // Setup
+            IEnumerable<FailureMechanismSection> sections = Enumerable.Empty<FailureMechanismSection>();
+
+            // Call
+            TestDelegate call = () => new FailureMechanismSectionsProperties(sections, null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("failureMechanism", exception.ParamName);
+        }
+
+        [Test]
         public void Constructor_ExpectedValues()
         {
             // Setup
+            var mocks = new MockRepository();
+            var failureMechanism = mocks.Stub<IFailureMechanism>();
+            mocks.ReplayAll();
+
             IEnumerable<FailureMechanismSection> sections = Enumerable.Empty<FailureMechanismSection>();
 
             // Call
-            var properties = new FailureMechanismSectionsProperties(sections);
+            var properties = new FailureMechanismSectionsProperties(sections, failureMechanism);
 
             // Assert
             Assert.IsInstanceOf<ObjectProperties<IEnumerable<FailureMechanismSection>>>(properties);
@@ -63,16 +89,21 @@
                 nameof(FailureMechanismSectionsProperties.Sections));
             Assert.IsNotNull(properties.Sections);
             Assert.AreEqual(sections.Count(), properties.Sections.Length);
+            mocks.VerifyAll();
         }
 
         [Test]
         public void Constructor_Always_PropertiesHaveExpectedAttributesValues()
         {
             // Setup
+            var mocks = new MockRepository();
+            var failureMechanism = mocks.Stub<IFailureMechanism>();
+            mocks.ReplayAll();
+
             IEnumerable<FailureMechanismSection> sections = Enumerable.Empty<FailureMechanismSection>();
 
             // Call
-            var properties = new FailureMechanismSectionsProperties(sections);
+            var properties = new FailureMechanismSectionsProperties(sections, failureMechanism);
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
@@ -84,6 +115,26 @@
                                                                             "Vakindeling",
                                                                             "Vakindeling waarmee de waterkering voor dit toetsspoor is geschematiseerd ten behoeve van de beoordeling.",
                                                                             true);
+            mocks.VerifyAll();
         }
+
+        [Test]
+        public void GivenPropertyControlWithData_WhenFailureMechanismUpdated_RefreshRequiredEventRaised()
+        {
+            // Given
+            var failureMechanism = new TestFailureMechanism();
+            IEnumerable<FailureMechanismSection> sections = Enumerable.Empty<FailureMechanismSection>();
+
+            var properties = new FailureMechanismSectionsProperties(sections, failureMechanism);
+
+            var refreshRequiredRaised = 0;
+            properties.RefreshRequired += (sender, args) => refreshRequiredRaised++;
+
+            // When
+            failureMechanism.NotifyObservers();
+
+            // Then
+            Assert.AreEqual(1, refreshRequiredRaised);
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs
===================================================================
diff -u -r9a848a7f52c953e8a44544609d919ea45ac84c6e -r23a6dd9ff6a575884879762e0e4aff01e21611ea
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 9a848a7f52c953e8a44544609d919ea45ac84c6e)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 23a6dd9ff6a575884879762e0e4aff01e21611ea)
@@ -361,7 +361,7 @@
             };
             yield return new PropertyInfo<FailureMechanismSectionsContext, FailureMechanismSectionsProperties>
             {
-                CreateInstance = context => new FailureMechanismSectionsProperties(context.WrappedData.Sections)
+                CreateInstance = context => new FailureMechanismSectionsProperties(context.WrappedData.Sections, context.WrappedData)
             };
             yield return new PropertyInfo<ReferenceLineContext, ReferenceLineProperties>
             {
Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/PropertyInfos/FailureMechanismSectionsPropertyInfoTest.cs
===================================================================
diff -u -r7aff630a7c9bb21707781ca2bd0f977d4715891d -r23a6dd9ff6a575884879762e0e4aff01e21611ea
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/PropertyInfos/FailureMechanismSectionsPropertyInfoTest.cs	(.../FailureMechanismSectionsPropertyInfoTest.cs)	(revision 7aff630a7c9bb21707781ca2bd0f977d4715891d)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/PropertyInfos/FailureMechanismSectionsPropertyInfoTest.cs	(.../FailureMechanismSectionsPropertyInfoTest.cs)	(revision 23a6dd9ff6a575884879762e0e4aff01e21611ea)
@@ -65,6 +65,8 @@
             var mocks = new MockRepository();
             var failureMechanism = mocks.Stub<IFailureMechanism>();
             failureMechanism.Stub(fm => fm.Sections).Return(Enumerable.Empty<FailureMechanismSection>());
+            failureMechanism.Stub(fm => fm.Attach(null)).IgnoreArguments();
+            failureMechanism.Stub(fm => fm.Detach(null)).IgnoreArguments();
             var assessmentSection = mocks.Stub<IAssessmentSection>();
             mocks.ReplayAll();