Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PropertyClasses/HeightStructuresFailureMechanismProperties.cs
===================================================================
diff -u -r6ac1d016e76120e778964de3ad7e2c0d6c837669 -r16d53fca2e51dcd5ede08bbebcda854c783ab025
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PropertyClasses/HeightStructuresFailureMechanismProperties.cs	(.../HeightStructuresFailureMechanismProperties.cs)	(revision 6ac1d016e76120e778964de3ad7e2c0d6c837669)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PropertyClasses/HeightStructuresFailureMechanismProperties.cs	(.../HeightStructuresFailureMechanismProperties.cs)	(revision 16d53fca2e51dcd5ede08bbebcda854c783ab025)
@@ -87,12 +87,8 @@
             }
             set
             {
-                IEnumerable<IObservable> affectedObjects = propertyChangeHandler.SetPropertyValueAfterConfirmation(
-                    data,
-                    value,
-                    (f, v) => f.GeneralInput.N = v);
-
-                NotifyAffectedObjects(affectedObjects);
+                data.GeneralInput.N = value;
+                data.NotifyObservers();
             }
         }
 
@@ -101,22 +97,9 @@
         [DynamicVisibleValidationMethod]
         public bool DynamicVisibleValidationMethod(string propertyName)
         {
-            if (!data.IsRelevant && ShouldHidePropertyWhenFailureMechanismIrrelevant(propertyName))
-            {
-                return false;
-            }
-
-            return true;
+            return data.IsRelevant || !ShouldHidePropertyWhenFailureMechanismIrrelevant(propertyName);
         }
 
-        private static void NotifyAffectedObjects(IEnumerable<IObservable> affectedObjects)
-        {
-            foreach (IObservable affectedObject in affectedObjects)
-            {
-                affectedObject.NotifyObservers();
-            }
-        }
-
         private bool ShouldHidePropertyWhenFailureMechanismIrrelevant(string propertyName)
         {
             return nameof(N).Equals(propertyName)