Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PropertyClasses/HeightStructuresFailureMechanismProperties.cs
===================================================================
diff -u -re27a2a4b649ecc232679d527acd5bb4c78e0219d -r2a6cca43069ddb1420e1a3123d013f3a9dc532be
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PropertyClasses/HeightStructuresFailureMechanismProperties.cs	(.../HeightStructuresFailureMechanismProperties.cs)	(revision e27a2a4b649ecc232679d527acd5bb4c78e0219d)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PropertyClasses/HeightStructuresFailureMechanismProperties.cs	(.../HeightStructuresFailureMechanismProperties.cs)	(revision 2a6cca43069ddb1420e1a3123d013f3a9dc532be)
@@ -38,12 +38,13 @@
     {
         private const int namePropertyIndex = 1;
         private const int codePropertyIndex = 2;
-        private const int contributionPropertyIndex = 3;
-        private const int isRelevantPropertyIndex = 4;
-        private const int gravitationalAccelerationPropertyIndex = 5;
-        private const int nPropertyIndex = 6;
-        private const int modelFactorOvertoppingFlowPropertyIndex = 7;
-        private const int modelFactorStorageVolumePropertyIndex = 8;
+        private const int groupPropertyIndex = 3;
+        private const int contributionPropertyIndex = 4;
+        private const int isRelevantPropertyIndex = 5;
+        private const int gravitationalAccelerationPropertyIndex = 6;
+        private const int nPropertyIndex = 7;
+        private const int modelFactorOvertoppingFlowPropertyIndex = 8;
+        private const int modelFactorStorageVolumePropertyIndex = 9;
 
         /// <summary>
         /// Creates a new instance of <see cref="HeightStructuresFailureMechanismProperties"/>.
@@ -124,6 +125,18 @@
             }
         }
 
+        [PropertyOrder(groupPropertyIndex)]
+        [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_General))]
+        [ResourcesDisplayName(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_Group_DisplayName))]
+        [ResourcesDescription(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_Group_Description))]
+        public int Group
+        {
+            get
+            {
+                return data.Group;
+            }
+        }
+
         [DynamicVisible]
         [PropertyOrder(contributionPropertyIndex)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_General))]
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PropertyClasses/HeightStructuresFailureMechanismPropertiesTest.cs
===================================================================
diff -u -re27a2a4b649ecc232679d527acd5bb4c78e0219d -r2a6cca43069ddb1420e1a3123d013f3a9dc532be
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PropertyClasses/HeightStructuresFailureMechanismPropertiesTest.cs	(.../HeightStructuresFailureMechanismPropertiesTest.cs)	(revision e27a2a4b649ecc232679d527acd5bb4c78e0219d)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PropertyClasses/HeightStructuresFailureMechanismPropertiesTest.cs	(.../HeightStructuresFailureMechanismPropertiesTest.cs)	(revision 2a6cca43069ddb1420e1a3123d013f3a9dc532be)
@@ -38,12 +38,13 @@
     {
         private const int namePropertyIndex = 0;
         private const int codePropertyIndex = 1;
-        private const int contributionPropertyIndex = 2;
-        private const int isRelevantPropertyIndex = 3;
-        private const int gravitationalAccelerationPropertyIndex = 4;
-        private const int nPropertyIndex = 5;
-        private const int modelFactorOvertoppingFlowPropertyIndex = 6;
-        private const int modelFactorStorageVolumePropertyIndex = 7;
+        private const int groupPropertyIndex = 2;
+        private const int contributionPropertyIndex = 3;
+        private const int isRelevantPropertyIndex = 4;
+        private const int gravitationalAccelerationPropertyIndex = 5;
+        private const int nPropertyIndex = 6;
+        private const int modelFactorOvertoppingFlowPropertyIndex = 7;
+        private const int modelFactorStorageVolumePropertyIndex = 8;
 
         [Test]
         public void Constructor_DataNull_ThrowArgumentNullException()
@@ -75,6 +76,7 @@
             Assert.AreSame(failureMechanism, properties.Data);
             Assert.AreEqual(failureMechanism.Name, properties.Name);
             Assert.AreEqual(failureMechanism.Code, properties.Code);
+            Assert.AreEqual(failureMechanism.Group, properties.Group);
             Assert.AreEqual(failureMechanism.Contribution, properties.Contribution);
             Assert.AreEqual(isRelevant, properties.IsRelevant);
 
@@ -104,7 +106,7 @@
             const string modelSettingsCategory = "Modelinstellingen";
 
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
-            Assert.AreEqual(8, dynamicProperties.Count);
+            Assert.AreEqual(9, dynamicProperties.Count);
 
             PropertyDescriptor nameProperty = dynamicProperties[namePropertyIndex];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(nameProperty,
@@ -120,6 +122,13 @@
                                                                             "Het label van het toetsspoor.",
                                                                             true);
 
+            PropertyDescriptor groupProperty = dynamicProperties[groupPropertyIndex];
+            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(groupProperty,
+                                                                            generalCategory,
+                                                                            "Groep",
+                                                                            "De groep waar het toetsspoor toe behoort.",
+                                                                            true);
+
             PropertyDescriptor contributionProperty = dynamicProperties[contributionPropertyIndex];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(contributionProperty,
                                                                             generalCategory,
@@ -178,7 +187,7 @@
             const string generalCategory = "Algemeen";
 
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
-            Assert.AreEqual(3, dynamicProperties.Count);
+            Assert.AreEqual(4, dynamicProperties.Count);
 
             PropertyDescriptor nameProperty = dynamicProperties[namePropertyIndex];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(nameProperty,
@@ -194,6 +203,13 @@
                                                                             "Het label van het toetsspoor.",
                                                                             true);
 
+            PropertyDescriptor groupProperty = dynamicProperties[groupPropertyIndex];
+            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(groupProperty,
+                                                                            generalCategory,
+                                                                            "Groep",
+                                                                            "De groep waar het toetsspoor toe behoort.",
+                                                                            true);
+
             PropertyDescriptor isRelevantProperty = dynamicProperties[isRelevantPropertyIndex - 1];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(isRelevantProperty,
                                                                             generalCategory,
@@ -268,6 +284,7 @@
             // Call & Assert
             Assert.IsTrue(properties.DynamicVisibleValidationMethod(nameof(properties.Name)));
             Assert.IsTrue(properties.DynamicVisibleValidationMethod(nameof(properties.Code)));
+            Assert.IsTrue(properties.DynamicVisibleValidationMethod(nameof(properties.Group)));
             Assert.IsTrue(properties.DynamicVisibleValidationMethod(nameof(properties.IsRelevant)));
 
             Assert.AreEqual(isRelevant, properties.DynamicVisibleValidationMethod(nameof(properties.Contribution)));