Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Kernels/Assembly/FailureMechanismSectionAssemblyKernelStubTest.cs
===================================================================
diff -u -r3910280908bf418e3ee2edcfe9b89939dcba25c7 -rb28519025c73dd13a32ac9eb30f66d894551f7d7
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Kernels/Assembly/FailureMechanismSectionAssemblyKernelStubTest.cs	(.../FailureMechanismSectionAssemblyKernelStubTest.cs)	(revision 3910280908bf418e3ee2edcfe9b89939dcba25c7)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Test/Kernels/Assembly/FailureMechanismSectionAssemblyKernelStubTest.cs	(.../FailureMechanismSectionAssemblyKernelStubTest.cs)	(revision b28519025c73dd13a32ac9eb30f66d894551f7d7)
@@ -547,19 +547,70 @@
         #region Tailor Made Assessment
 
         [Test]
-        public void TailorMadeAssessmentDirectFailureMechanisms_Always_ThrowNotImplementedException()
+        public void TailorMadeAssessmentDirectFailureMechanisms_ThrowExceptionOnCalculateFalse_InputCorrectlySetToKernelAndCalculatedTrue()
         {
             // Setup
+            var random = new Random(39);
+            var input = random.NextEnumValue<TailorMadeCalculationResult>();
+
             var kernel = new FailureMechanismSectionAssemblyKernelStub();
 
+            // Precondition
+            Assert.IsFalse(kernel.Calculated);
+
             // Call
-            TestDelegate test = () => kernel.TailorMadeAssessmentDirectFailureMechanisms((TailorMadeCalculationResult) 0);
+            kernel.TailorMadeAssessmentDirectFailureMechanisms(input);
 
             // Assert
-            Assert.Throws<NotImplementedException>(test);
+            Assert.AreEqual(input, kernel.TailorMadeCalculationResultInput);
+            Assert.IsTrue(kernel.Calculated);
         }
 
         [Test]
+        public void TailorMadeAssessmentDirectFailureMechanisms_ThrowExceptionOnCalculateFalse_ReturnFailureMechanismSectionAssemblyCategoryResult()
+        {
+            // Setup
+            var random = new Random(39);
+            var input = random.NextEnumValue<TailorMadeCalculationResult>();
+
+            var kernel = new FailureMechanismSectionAssemblyKernelStub
+            {
+                FailureMechanismSectionAssemblyCategoryGroup = new CalculationOutput<FailureMechanismSectionCategoryGroup>(
+                    random.NextEnumValue<FailureMechanismSectionCategoryGroup>())
+            };
+
+            // Call
+            CalculationOutput<FailureMechanismSectionCategoryGroup> result = kernel.TailorMadeAssessmentDirectFailureMechanisms(input);
+
+            // Assert
+            Assert.AreSame(kernel.FailureMechanismSectionAssemblyCategoryGroup, result);
+        }
+
+        [Test]
+        public void TailorMadeAssessmentDirectFailureMechanisms_ThrowExceptionOnCalculateTrue_ThrowsException()
+        {
+            // Setup
+            var random = new Random(39);
+            var input = random.NextEnumValue<TailorMadeCalculationResult>();
+
+            var kernel = new FailureMechanismSectionAssemblyKernelStub
+            {
+                ThrowExceptionOnCalculate = true
+            };
+
+            // Call
+            TestDelegate test = () => kernel.TailorMadeAssessmentDirectFailureMechanisms(input);
+
+            // Assert
+            var exception = Assert.Throws<Exception>(test);
+            Assert.AreEqual("Message", exception.Message);
+            Assert.IsNotNull(exception.InnerException);
+            Assert.IsNull(kernel.TailorMadeCalculationResultInput);
+            Assert.IsFalse(kernel.Calculated);
+            Assert.IsNull(kernel.FailureMechanismSectionAssemblyCategoryGroup);
+        }
+
+        [Test]
         public void TailorMadeAssessmentIndirectFailureMechanisms_Always_ThrowNotImplementedException()
         {
             // Setup
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Kernels/Assembly/FailureMechanismSectionAssemblyKernelStub.cs
===================================================================
diff -u -r3910280908bf418e3ee2edcfe9b89939dcba25c7 -rb28519025c73dd13a32ac9eb30f66d894551f7d7
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Kernels/Assembly/FailureMechanismSectionAssemblyKernelStub.cs	(.../FailureMechanismSectionAssemblyKernelStub.cs)	(revision 3910280908bf418e3ee2edcfe9b89939dcba25c7)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.KernelWrapper.TestUtil/Kernels/Assembly/FailureMechanismSectionAssemblyKernelStub.cs	(.../FailureMechanismSectionAssemblyKernelStub.cs)	(revision b28519025c73dd13a32ac9eb30f66d894551f7d7)
@@ -59,6 +59,11 @@
         public DetailedCalculationInputFromProbabilityWithLengthEffect DetailedAssessmentFailureMechanismFromProbabilityWithLengthEffectInput { get; private set; }
 
         /// <summary>
+        /// Gets the input used in <see cref="TailorMadeAssessmentDirectFailureMechanisms(TailorMadeCalculationResult)"/>.
+        /// </summary>
+        public TailorMadeCalculationResult? TailorMadeCalculationResultInput { get; private set; }
+
+        /// <summary>
         /// Gets the input used in <see cref="TailorMadeAssessmentDirectFailureMechanisms(TailorMadeCalculationInputFromProbability)"/>.
         /// </summary>
         public TailorMadeCalculationInputFromProbability TailorMadeCalculationInputFromProbabilityInput { get; private set; }
@@ -212,7 +217,14 @@
 
         public CalculationOutput<FailureMechanismSectionCategoryGroup> TailorMadeAssessmentDirectFailureMechanisms(TailorMadeCalculationResult result)
         {
-            throw new NotImplementedException();
+            if (ThrowExceptionOnCalculate)
+            {
+                throw new Exception("Message", new Exception());
+            }
+
+            TailorMadeCalculationResultInput = result;
+            Calculated = true;
+            return FailureMechanismSectionAssemblyCategoryGroup;
         }
 
         public CalculationOutput<FailureMechanismSectionCategoryGroup> TailorMadeAssessmentIndirectFailureMechanisms(TailorMadeCalculationResult result)