Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -rb28a844780b613e1901fa82328ba3917f485c729 -r0aacf2dc29138c69f365fe26a143d4e83b172dbe
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismSectionResultRowTest.cs	(.../ClosingStructuresFailureMechanismSectionResultRowTest.cs)	(revision b28a844780b613e1901fa82328ba3917f485c729)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismSectionResultRowTest.cs	(.../ClosingStructuresFailureMechanismSectionResultRowTest.cs)	(revision 0aacf2dc29138c69f365fe26a143d4e83b172dbe)
@@ -19,6 +19,8 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
+using Core.Common.Base.Data;
 using Core.Common.Base.Geometry;
 using Core.Common.TestUtil;
 using NUnit.Framework;
@@ -51,6 +53,8 @@
             Assert.AreEqual(result.AssessmentLayerTwoA, row.AssessmentLayerTwoA);
             TestHelper.AssertTypeConverter<ClosingStructuresFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(ClosingStructuresFailureMechanismSectionResultRow.AssessmentLayerTwoA));
+            TestHelper.AssertTypeConverter<ClosingStructuresFailureMechanismSectionResultRow, NoProbabilityValueRoundedDoubleConverter>(
+                nameof(ClosingStructuresFailureMechanismSectionResultRow.AssessmentLayerThree));
         }
 
         [Test]
@@ -164,6 +168,23 @@
             Assert.AreSame(expectedCalculation, calculation);
         }
 
+        [Test]
+        public void AssessmentLayerThree_ValueSet_ReturnExpectedValue()
+        {
+            // Setup
+            var random = new Random(21);
+            RoundedDouble assessmentLayerThree = random.NextRoundedDouble();
+
+            var sectionResult = new ClosingStructuresFailureMechanismSectionResult(CreateSection());
+            var row = new ClosingStructuresFailureMechanismSectionResultRow(sectionResult);
+
+            // Call
+            row.AssessmentLayerThree = assessmentLayerThree;
+
+            // Assert
+            Assert.AreEqual(assessmentLayerThree, sectionResult.AssessmentLayerThree);
+        }
+
         private static FailureMechanismSection CreateSection()
         {
             return new FailureMechanismSection("name", new[]