Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Forms.Test/Views/GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -r3c5eb8dc63626571ddee036cac675707bd0b0ff0 -r0aacf2dc29138c69f365fe26a143d4e83b172dbe
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Forms.Test/Views/GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.cs	(.../GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.cs)	(revision 3c5eb8dc63626571ddee036cac675707bd0b0ff0)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Forms.Test/Views/GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.cs	(.../GrassCoverErosionInwardsFailureMechanismSectionResultRowTest.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;
@@ -50,6 +52,8 @@
             Assert.AreEqual(result.AssessmentLayerTwoA, row.AssessmentLayerTwoA);
             TestHelper.AssertTypeConverter<GrassCoverErosionInwardsFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                 nameof(GrassCoverErosionInwardsFailureMechanismSectionResultRow.AssessmentLayerTwoA));
+            TestHelper.AssertTypeConverter<GrassCoverErosionInwardsFailureMechanismSectionResultRow, NoProbabilityValueRoundedDoubleConverter>(
+                nameof(GrassCoverErosionInwardsFailureMechanismSectionResultRow.AssessmentLayerThree));
         }
 
         [Test]
@@ -167,6 +171,23 @@
             Assert.AreSame(grassCoverErosionInwardsCalculation, calculation);
         }
 
+        [Test]
+        public void AssessmentLayerThree_ValueSet_ReturnExpectedValue()
+        {
+            // Setup
+            var random = new Random(21);
+            RoundedDouble assessmentLayerThree = random.NextRoundedDouble();
+
+            var sectionResult = new GrassCoverErosionInwardsFailureMechanismSectionResult(CreateSection());
+            var row = new GrassCoverErosionInwardsFailureMechanismSectionResultRow(sectionResult);
+
+            // Call
+            row.AssessmentLayerThree = assessmentLayerThree;
+
+            // Assert
+            Assert.AreEqual(assessmentLayerThree, sectionResult.AssessmentLayerThree);
+        }
+
         private static FailureMechanismSection CreateSection()
         {
             return new FailureMechanismSection("A", new[]