Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/StandAlone/MacroStabilityOutwardsFailureMechanismProperties.cs
===================================================================
diff -u -r419f4e155d67de33512a25a7b95e2c2830429eeb -r463d6edb7c7fb24d0f394dc537dd794de660c3d5
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/StandAlone/MacroStabilityOutwardsFailureMechanismProperties.cs	(.../MacroStabilityOutwardsFailureMechanismProperties.cs)	(revision 419f4e155d67de33512a25a7b95e2c2830429eeb)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/PropertyClasses/StandAlone/MacroStabilityOutwardsFailureMechanismProperties.cs	(.../MacroStabilityOutwardsFailureMechanismProperties.cs)	(revision 463d6edb7c7fb24d0f394dc537dd794de660c3d5)
@@ -97,9 +97,21 @@
             }
         }
 
-        [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
@@ -110,7 +122,7 @@
             }
         }
 
-        [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))]
@@ -127,7 +139,7 @@
         #region Length effect parameters
 
         [DynamicVisible]
-        [PropertyOrder(5)]
+        [PropertyOrder(6)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_LengthEffect))]
         [ResourcesDisplayName(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_ProbabilityAssessmentInput_A_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_ProbabilityAssessmentInput_A_Description))]
@@ -145,7 +157,7 @@
         }
 
         [DynamicVisible]
-        [PropertyOrder(6)]
+        [PropertyOrder(7)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_LengthEffect))]
         [ResourcesDisplayName(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_ProbabilityAssessmentInput_B_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_ProbabilityAssessmentInput_B_Description))]
@@ -158,7 +170,7 @@
         }
 
         [DynamicVisible]
-        [PropertyOrder(7)]
+        [PropertyOrder(8)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_LengthEffect))]
         [ResourcesDisplayName(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.ReferenceLine_Length_Rounded_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.ReferenceLine_Length_Rounded_Description))]
@@ -171,7 +183,7 @@
         }
 
         [DynamicVisible]
-        [PropertyOrder(8)]
+        [PropertyOrder(9)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_LengthEffect))]
         [ResourcesDisplayName(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_N_Rounded_DisplayName))]
         [ResourcesDescription(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.FailureMechanism_N_Rounded_Description))]
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PropertyClasses/StandAlone/MacroStabilityOutwardsFailureMechanismPropertiesTest.cs
===================================================================
diff -u -r419f4e155d67de33512a25a7b95e2c2830429eeb -r463d6edb7c7fb24d0f394dc537dd794de660c3d5
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PropertyClasses/StandAlone/MacroStabilityOutwardsFailureMechanismPropertiesTest.cs	(.../MacroStabilityOutwardsFailureMechanismPropertiesTest.cs)	(revision 419f4e155d67de33512a25a7b95e2c2830429eeb)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PropertyClasses/StandAlone/MacroStabilityOutwardsFailureMechanismPropertiesTest.cs	(.../MacroStabilityOutwardsFailureMechanismPropertiesTest.cs)	(revision 463d6edb7c7fb24d0f394dc537dd794de660c3d5)
@@ -65,6 +65,7 @@
             Assert.IsInstanceOf<ObjectProperties<MacroStabilityOutwardsFailureMechanism>>(properties);
             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);
 
@@ -95,7 +96,7 @@
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
-            Assert.AreEqual(8, dynamicProperties.Count);
+            Assert.AreEqual(9, dynamicProperties.Count);
 
             const string generalCategory = "Algemeen";
             const string lengthEffectCategory = "Lengte-effect parameters";
@@ -114,41 +115,48 @@
                                                                             "Het label van het toetsspoor.",
                                                                             true);
 
-            PropertyDescriptor contributionProperty = dynamicProperties[2];
+            PropertyDescriptor groupProperty = dynamicProperties[2];
+            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(groupProperty,
+                                                                            generalCategory,
+                                                                            "Groep",
+                                                                            "De groep waar het toetsspoor toe behoort.",
+                                                                            true);
+
+            PropertyDescriptor contributionProperty = dynamicProperties[3];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(contributionProperty,
                                                                             generalCategory,
                                                                             "Faalkansbijdrage [%]",
                                                                             "Procentuele bijdrage van dit toetsspoor aan de totale overstromingskans van het traject.",
                                                                             true);
 
-            PropertyDescriptor isRelevantProperty = dynamicProperties[3];
+            PropertyDescriptor isRelevantProperty = dynamicProperties[4];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(isRelevantProperty,
                                                                             generalCategory,
                                                                             "Is relevant",
                                                                             "Geeft aan of dit toetsspoor relevant is of niet.",
                                                                             true);
 
-            PropertyDescriptor aProperty = dynamicProperties[4];
+            PropertyDescriptor aProperty = dynamicProperties[5];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(aProperty,
                                                                             lengthEffectCategory,
                                                                             "a [-]",
                                                                             "De parameter 'a' die gebruikt wordt voor het lengte-effect in berekening van de maximaal toelaatbare faalkans.");
 
-            PropertyDescriptor bProperty = dynamicProperties[5];
+            PropertyDescriptor bProperty = dynamicProperties[6];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(bProperty,
                                                                             lengthEffectCategory,
                                                                             "b [m]",
                                                                             "De parameter 'b' die gebruikt wordt voor het lengte-effect in berekening van de maximaal toelaatbare faalkans.",
                                                                             true);
 
-            PropertyDescriptor sectionLengthProperty = dynamicProperties[6];
+            PropertyDescriptor sectionLengthProperty = dynamicProperties[7];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(sectionLengthProperty,
                                                                             lengthEffectCategory,
                                                                             "Lengte* [m]",
                                                                             "Totale lengte van het traject in meters (afgerond).",
                                                                             true);
 
-            PropertyDescriptor nProperty = dynamicProperties[7];
+            PropertyDescriptor nProperty = dynamicProperties[8];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(nProperty,
                                                                             lengthEffectCategory,
                                                                             "N* [-]",
@@ -170,7 +178,7 @@
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
-            Assert.AreEqual(3, dynamicProperties.Count);
+            Assert.AreEqual(4, dynamicProperties.Count);
 
             const string generalCategory = "Algemeen";
 
@@ -188,7 +196,14 @@
                                                                             "Het label van het toetsspoor.",
                                                                             true);
 
-            PropertyDescriptor isRelevantProperty = dynamicProperties[2];
+            PropertyDescriptor groupProperty = dynamicProperties[2];
+            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(groupProperty,
+                                                                            generalCategory,
+                                                                            "Groep",
+                                                                            "De groep waar het toetsspoor toe behoort.",
+                                                                            true);
+
+            PropertyDescriptor isRelevantProperty = dynamicProperties[3];
             PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(isRelevantProperty,
                                                                             generalCategory,
                                                                             "Is relevant",
@@ -263,6 +278,7 @@
             // 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)));