Index: Riskeer/GrassCoverErosionOutwards/src/Riskeer.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsFailurePathProperties.cs
===================================================================
diff -u -r4075241549b94454a6ad23fc355c69be49aecc17 -rc32114e2ca7e943d46c4db7053f737a91d1beb4d
--- Riskeer/GrassCoverErosionOutwards/src/Riskeer.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsFailurePathProperties.cs	(.../GrassCoverErosionOutwardsFailurePathProperties.cs)	(revision 4075241549b94454a6ad23fc355c69be49aecc17)
+++ Riskeer/GrassCoverErosionOutwards/src/Riskeer.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsFailurePathProperties.cs	(.../GrassCoverErosionOutwardsFailurePathProperties.cs)	(revision c32114e2ca7e943d46c4db7053f737a91d1beb4d)
@@ -39,6 +39,7 @@
         private const int contributionPropertyIndex = 4;
         private const int inAssemblyPropertyIndex = 5;
         private const int nPropertyIndex = 6;
+        private const int applyLengthEffectInSectionPropertyIndex = 7;
 
         /// <summary>
         /// Creates a new instance of <see cref="GrassCoverErosionOutwardsFailurePathProperties"/>.
@@ -52,6 +53,24 @@
                 CodePropertyIndex = codePropertyIndex
             }) {}
 
+        [DynamicVisibleValidationMethod]
+        public bool DynamicVisibleValidationMethod(string propertyName)
+        {
+            if (!data.InAssembly && ShouldHidePropertyWhenFailureMechanismNotPartOfAssembly(propertyName))
+            {
+                return false;
+            }
+
+            return true;
+        }
+
+        private static bool ShouldHidePropertyWhenFailureMechanismNotPartOfAssembly(string propertyName)
+        {
+            return nameof(Contribution).Equals(propertyName)
+                   || nameof(N).Equals(propertyName)
+                   || nameof(ApplyLengthEffectInSection).Equals(propertyName);
+        }
+
         #region Length effect parameters
 
         [DynamicVisible]
@@ -72,24 +91,25 @@
             }
         }
 
-        #endregion
-
-        [DynamicVisibleValidationMethod]
-        public bool DynamicVisibleValidationMethod(string propertyName)
+        [DynamicVisible]
+        [PropertyOrder(applyLengthEffectInSectionPropertyIndex)]
+        [ResourcesCategory(typeof(RiskeerCommonFormsResources), nameof(RiskeerCommonFormsResources.Categories_LengthEffect))]
+        [ResourcesDisplayName(typeof(RiskeerCommonFormsResources), nameof(RiskeerCommonFormsResources.FailurePath_Apply_LengthEffect_In_Section_DisplayName))]
+        [ResourcesDescription(typeof(RiskeerCommonFormsResources), nameof(RiskeerCommonFormsResources.FailurePath_Apply_LengthEffect_In_Section_Description))]
+        public bool ApplyLengthEffectInSection
         {
-            if (!data.InAssembly && ShouldHidePropertyWhenFailureMechanismNotPartOfAssembly(propertyName))
+            get
             {
-                return false;
+                return data.GeneralInput.ApplyLengthEffectInSection;
             }
-
-            return true;
+            set
+            {
+                data.GeneralInput.ApplyLengthEffectInSection = value;
+                data.NotifyObservers();
+            }
         }
 
-        private bool ShouldHidePropertyWhenFailureMechanismNotPartOfAssembly(string propertyName)
-        {
-            return nameof(Contribution).Equals(propertyName)
-                   || nameof(N).Equals(propertyName);
-        }
+        #endregion
 
         #region General
 
Index: Riskeer/GrassCoverErosionOutwards/test/Riskeer.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsFailurePathPropertiesTest.cs
===================================================================
diff -u -rfdfcebfac58179f6b1d1e19d376342f82eaaffcd -rc32114e2ca7e943d46c4db7053f737a91d1beb4d
--- Riskeer/GrassCoverErosionOutwards/test/Riskeer.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsFailurePathPropertiesTest.cs	(.../GrassCoverErosionOutwardsFailurePathPropertiesTest.cs)	(revision fdfcebfac58179f6b1d1e19d376342f82eaaffcd)
+++ Riskeer/GrassCoverErosionOutwards/test/Riskeer.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsFailurePathPropertiesTest.cs	(.../GrassCoverErosionOutwardsFailurePathPropertiesTest.cs)	(revision c32114e2ca7e943d46c4db7053f737a91d1beb4d)
@@ -42,6 +42,7 @@
         private const int contributionPropertyIndex = 3;
         private const int inAssemblyPropertyIndex = 4;
         private const int nPropertyIndex = 5;
+        private const int applyLengthEffectInSectionPropertyIndex = 6;
 
         [Test]
         public void Constructor_ExpectedValues()
@@ -50,7 +51,11 @@
             var random = new Random(21);
             var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism
             {
-                InAssembly = random.NextBoolean()
+                InAssembly = random.NextBoolean(),
+                GeneralInput =
+                {
+                    ApplyLengthEffectInSection = random.NextBoolean()
+                }
             };
 
             // Call
@@ -69,6 +74,7 @@
             Assert.AreEqual(generalInput.N,
                             properties.N,
                             properties.N.GetAccuracy());
+            Assert.AreEqual(generalInput.ApplyLengthEffectInSection, properties.ApplyLengthEffectInSection);
         }
 
         [Test]
@@ -82,7 +88,7 @@
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
-            Assert.AreEqual(6, dynamicProperties.Count);
+            Assert.AreEqual(7, dynamicProperties.Count);
 
             const string generalCategory = "Algemeen";
             const string lengthEffectCategory = "Lengte-effect";
@@ -127,6 +133,12 @@
                                                                             lengthEffectCategory,
                                                                             "N [-]",
                                                                             "De parameter 'N' die gebruikt wordt om het lengte-effect mee te nemen in de beoordeling.");
+
+            PropertyDescriptor applySectionLengthInSectionProperty = dynamicProperties[applyLengthEffectInSectionPropertyIndex];
+            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(applySectionLengthInSectionProperty,
+                                                                            lengthEffectCategory,
+                                                                            "Toepassen lengte-effect binnen vak",
+                                                                            "Geeft aan of het lengte-effect binnen een vak toegepast wordt.");
         }
 
         [Test]
@@ -232,6 +244,37 @@
         [Test]
         [TestCase(true)]
         [TestCase(false)]
+        public void ApplyLengthEffectInSection_SetNewValue_NotifyObservers(bool applyLengthEffectInSection)
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var observer = mocks.StrictMock<IObserver>();
+            observer.Expect(o => o.UpdateObserver());
+            mocks.ReplayAll();
+
+            var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism
+            {
+                GeneralInput =
+                {
+                    ApplyLengthEffectInSection = !applyLengthEffectInSection
+                }
+            };
+
+            failureMechanism.Attach(observer);
+
+            var properties = new GrassCoverErosionOutwardsFailurePathProperties(failureMechanism);
+
+            // Call
+            properties.ApplyLengthEffectInSection = applyLengthEffectInSection;
+
+            // Assert
+            Assert.AreEqual(applyLengthEffectInSection, failureMechanism.GeneralInput.ApplyLengthEffectInSection);
+            mocks.VerifyAll();
+        }
+
+        [Test]
+        [TestCase(true)]
+        [TestCase(false)]
         public void DynamicVisibleValidationMethod_DependingOnInAssembly_ReturnExpectedVisibility(bool inAssembly)
         {
             // Setup
@@ -249,6 +292,7 @@
 
             Assert.AreEqual(inAssembly, properties.DynamicVisibleValidationMethod(nameof(properties.Contribution)));
             Assert.AreEqual(inAssembly, properties.DynamicVisibleValidationMethod(nameof(properties.N)));
+            Assert.AreEqual(inAssembly, properties.DynamicVisibleValidationMethod(nameof(properties.ApplyLengthEffectInSection)));
 
             Assert.IsTrue(properties.DynamicVisibleValidationMethod(null));
         }