Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsFailureMechanismProperties.cs
===================================================================
diff -u -rba4b2874a53a4abcf53dd23584722ba2552c7a3e -r89ec1b851211eee21b1a740aadaa9487aeccb1d8
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsFailureMechanismProperties.cs	(.../GrassCoverErosionOutwardsFailureMechanismProperties.cs)	(revision ba4b2874a53a4abcf53dd23584722ba2552c7a3e)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsFailureMechanismProperties.cs	(.../GrassCoverErosionOutwardsFailureMechanismProperties.cs)	(revision 89ec1b851211eee21b1a740aadaa9487aeccb1d8)
@@ -67,7 +67,7 @@
         #region Length effect parameters
 
         [DynamicVisible]
-        [PropertyOrder(5)]
+        [PropertyOrder(6)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_LengthEffect))]
         [ResourcesDisplayName(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_N_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_N_Description))]
@@ -144,9 +144,21 @@
             }
         }
 
-        [DynamicVisible]
         [PropertyOrder(3)]
         [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(4)]
+        [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_General))]
         [ResourcesDisplayName(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_Contribution_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_Contribution_Description))]
         public double Contribution
@@ -157,7 +169,7 @@
             }
         }
 
-        [PropertyOrder(4)]
+        [PropertyOrder(5)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_General))]
         [ResourcesDisplayName(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_IsRelevant_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_IsRelevant_Description))]
@@ -174,7 +186,7 @@
         #region Model settings
 
         [DynamicVisible]
-        [PropertyOrder(6)]
+        [PropertyOrder(7)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_ModelSettings))]
         [ResourcesDisplayName(typeof(RingtoetsRevetmentFormsResources), nameof(RingtoetsRevetmentFormsResources.GeneralWaveConditionsInput_A_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsRevetmentFormsResources), nameof(RingtoetsRevetmentFormsResources.GeneralWaveConditionsInput_A_Description))]
@@ -187,7 +199,7 @@
         }
 
         [DynamicVisible]
-        [PropertyOrder(7)]
+        [PropertyOrder(8)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_ModelSettings))]
         [ResourcesDisplayName(typeof(RingtoetsRevetmentFormsResources), nameof(RingtoetsRevetmentFormsResources.GeneralWaveConditionsInput_B_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsRevetmentFormsResources), nameof(RingtoetsRevetmentFormsResources.GeneralWaveConditionsInput_B_Description))]
@@ -200,7 +212,7 @@
         }
 
         [DynamicVisible]
-        [PropertyOrder(8)]
+        [PropertyOrder(9)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_ModelSettings))]
         [ResourcesDisplayName(typeof(RingtoetsRevetmentFormsResources), nameof(RingtoetsRevetmentFormsResources.GeneralWaveConditionsInput_C_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsRevetmentFormsResources), nameof(RingtoetsRevetmentFormsResources.GeneralWaveConditionsInput_C_Description))]
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsFailureMechanismPropertiesTest.cs
===================================================================
diff -u -rba4b2874a53a4abcf53dd23584722ba2552c7a3e -r89ec1b851211eee21b1a740aadaa9487aeccb1d8
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsFailureMechanismPropertiesTest.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertiesTest.cs)	(revision ba4b2874a53a4abcf53dd23584722ba2552c7a3e)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsFailureMechanismPropertiesTest.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertiesTest.cs)	(revision 89ec1b851211eee21b1a740aadaa9487aeccb1d8)
@@ -41,12 +41,13 @@
     {
         private const int namePropertyIndex = 0;
         private const int codePropertyIndex = 1;
-        private const int contributionPropertyIndex = 2;
-        private const int isRelevantPropertyIndex = 3;
-        private const int nPropertyIndex = 4;
-        private const int aPropertyIndex = 5;
-        private const int bPropertyIndex = 6;
-        private const int cPropertyIndex = 7;
+        private const int groupPropertyIndex = 2;
+        private const int contributionPropertyIndex = 3;
+        private const int isRelevantPropertyIndex = 4;
+        private const int nPropertyIndex = 5;
+        private const int aPropertyIndex = 6;
+        private const int bPropertyIndex = 7;
+        private const int cPropertyIndex = 8;
 
         [Test]
         public void Constructor_WithoutFailureMechanism_ThrowsArgumentNullException()
@@ -98,6 +99,7 @@
             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);
 
@@ -126,7 +128,7 @@
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
-            Assert.AreEqual(8, dynamicProperties.Count);
+            Assert.AreEqual(9, dynamicProperties.Count);
 
             const string generalCategory = "Algemeen";
             const string modelSettingsCategory = "Modelinstellingen";
@@ -145,6 +147,13 @@
                                                                             "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,
@@ -207,7 +216,7 @@
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
-            Assert.AreEqual(3, dynamicProperties.Count);
+            Assert.AreEqual(4, dynamicProperties.Count);
 
             const string generalCategory = "Algemeen";
 
@@ -225,6 +234,13 @@
                                                                             "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,
@@ -318,6 +334,7 @@
             // 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)));