Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/FileImporters/GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy.cs
===================================================================
diff -u
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/FileImporters/GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy.cs	(revision 0)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/FileImporters/GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy.cs	(revision 5a890dc1600bd7e5e060405df22c757daaedd885)
@@ -0,0 +1,55 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using Ringtoets.Common.IO.FileImporters;
+using Ringtoets.GrassCoverErosionInwards.Data;
+
+namespace Ringtoets.GrassCoverErosionInwards.Plugin.FileImporters
+{
+    /// <summary>
+    /// An update strategy that can be used to update a <see cref="GrassCoverErosionInwardsFailureMechanismSectionResult"/> instance with data
+    /// from an old <see cref="GrassCoverErosionInwardsFailureMechanismSectionResult"/> instance.
+    /// </summary>
+    public class GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy : IFailureMechanismSectionResultUpdateStrategy<GrassCoverErosionInwardsFailureMechanismSectionResult>
+    {
+        public void UpdateSectionResult(GrassCoverErosionInwardsFailureMechanismSectionResult origin, GrassCoverErosionInwardsFailureMechanismSectionResult target)
+        {
+            if (origin == null)
+            {
+                throw new ArgumentNullException(nameof(origin));
+            }
+
+            if (target == null)
+            {
+                throw new ArgumentNullException(nameof(target));
+            }
+
+            target.Calculation = origin.Calculation;
+            target.SimpleAssessmentResult = origin.SimpleAssessmentResult;
+            target.DetailedAssessmentResult = origin.DetailedAssessmentResult;
+            target.TailorMadeAssessmentResult = origin.TailorMadeAssessmentResult;
+            target.TailorMadeAssessmentProbability = origin.TailorMadeAssessmentProbability;
+            target.UseManualAssemblyProbability = origin.UseManualAssemblyProbability;
+            target.ManualAssemblyProbability = origin.ManualAssemblyProbability;
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs
===================================================================
diff -u -r21ee838997690c7f1cdc9eaf5089e309aa4291d6 -r5a890dc1600bd7e5e060405df22c757daaedd885
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs	(.../GrassCoverErosionInwardsPlugin.cs)	(revision 21ee838997690c7f1cdc9eaf5089e309aa4291d6)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs	(.../GrassCoverErosionInwardsPlugin.cs)	(revision 5a890dc1600bd7e5e060405df22c757daaedd885)
@@ -39,6 +39,7 @@
 using Ringtoets.Common.Forms.ImportInfos;
 using Ringtoets.Common.Forms.PresentationObjects;
 using Ringtoets.Common.Forms.TreeNodeInfos;
+using Ringtoets.Common.Forms.UpdateInfos;
 using Ringtoets.Common.IO.FileImporters;
 using Ringtoets.Common.IO.FileImporters.MessageProviders;
 using Ringtoets.Common.Plugin;
@@ -151,6 +152,10 @@
                 VerifyUpdates = context => VerifyDikeProfilesShouldUpdate(context,
                                                                           Resources.GrassCoverErosionInwardsPlugin_VerifyDikeProfileUpdate_When_updating_Calculation_with_DikeProfile_data_output_will_be_cleared_confirm)
             };
+
+            yield return RingtoetsUpdateInfoFactory.CreateFailureMechanismSectionsUpdateInfo<
+                GrassCoverErosionInwardsFailureMechanismSectionsContext, GrassCoverErosionInwardsFailureMechanism, GrassCoverErosionInwardsFailureMechanismSectionResult>(
+                new GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy());
         }
 
         public override IEnumerable<ExportInfo> GetExportInfos()
@@ -535,7 +540,7 @@
         {
             return new object[]
             {
-                new GrassCoverErosionInwardsFailureMechanismSectionsContext(failureMechanism, assessmentSection), 
+                new GrassCoverErosionInwardsFailureMechanismSectionsContext(failureMechanism, assessmentSection),
                 new DikeProfilesContext(failureMechanism.DikeProfiles, failureMechanism, assessmentSection),
                 failureMechanism.InputComments
             };
Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/Ringtoets.GrassCoverErosionInwards.Plugin.csproj
===================================================================
diff -u -rfcad48d7beb394e1ac15cfe4289a7381e05aa883 -r5a890dc1600bd7e5e060405df22c757daaedd885
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/Ringtoets.GrassCoverErosionInwards.Plugin.csproj	(.../Ringtoets.GrassCoverErosionInwards.Plugin.csproj)	(revision fcad48d7beb394e1ac15cfe4289a7381e05aa883)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/Ringtoets.GrassCoverErosionInwards.Plugin.csproj	(.../Ringtoets.GrassCoverErosionInwards.Plugin.csproj)	(revision 5a890dc1600bd7e5e060405df22c757daaedd885)
@@ -15,6 +15,7 @@
   <ItemGroup>
     <Compile Include="FileImporters\GrassCoverErosionInwardsDikeProfileReplaceDataStrategy.cs" />
     <Compile Include="FileImporters\GrassCoverErosionInwardsDikeProfileUpdateDataStrategy.cs" />
+    <Compile Include="FileImporters\GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy.cs" />
     <Compile Include="GrassCoverErosionInwardsPlugin.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Properties\Resources.Designer.cs">
@@ -84,6 +85,11 @@
       <Name>Ringtoets.Common.Plugin</Name>
       <Private>False</Private>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\Common\src\Ringtoets.Common.Primitives\Ringtoets.Common.Primitives.csproj">
+      <Project>{78AA56F5-431D-465C-AC50-3173D7E90AC1}</Project>
+      <Name>Ringtoets.Common.Primitives</Name>
+      <Private>False</Private>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\Common\src\Ringtoets.Common.Service\Ringtoets.Common.Service.csproj">
       <Project>{d951d6da-fe83-4920-9fdb-63bf96480b54}</Project>
       <Name>Ringtoets.Common.Service</Name>
Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Plugin.Test/FileImporters/GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategyTest.cs
===================================================================
diff -u
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Plugin.Test/FileImporters/GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategyTest.cs	(revision 0)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Plugin.Test/FileImporters/GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategyTest.cs	(revision 5a890dc1600bd7e5e060405df22c757daaedd885)
@@ -0,0 +1,107 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using NUnit.Framework;
+using Ringtoets.Common.Data.TestUtil;
+using Ringtoets.Common.IO.FileImporters;
+using Ringtoets.Common.Primitives;
+using Ringtoets.GrassCoverErosionInwards.Data;
+using Ringtoets.GrassCoverErosionInwards.Plugin.FileImporters;
+
+namespace Ringtoets.GrassCoverErosionInwards.Plugin.Test.FileImporters
+{
+    [TestFixture]
+    public class GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategyTest
+    {
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Call
+            var strategy = new GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy();
+
+            // Assert
+            Assert.IsInstanceOf<IFailureMechanismSectionResultUpdateStrategy<GrassCoverErosionInwardsFailureMechanismSectionResult>>(strategy);
+        }
+
+        [Test]
+        public void UpdateSectionResult_OriginNull_ThrowsArgumentNullException()
+        {
+            // Setup
+            var strategy = new GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy();
+
+            // Call
+            TestDelegate test = () => strategy.UpdateSectionResult(
+                null, new GrassCoverErosionInwardsFailureMechanismSectionResult(FailureMechanismSectionTestFactory.CreateFailureMechanismSection()));
+
+            // Assert
+            string paramName = Assert.Throws<ArgumentNullException>(test).ParamName;
+            Assert.AreEqual("origin", paramName);
+        }
+
+        [Test]
+        public void UpdateSectionResult_TargetNull_ThrowsArgumentNullException()
+        {
+            // Setup
+            var strategy = new GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy();
+
+            // Call
+            TestDelegate test = () => strategy.UpdateSectionResult(
+                new GrassCoverErosionInwardsFailureMechanismSectionResult(FailureMechanismSectionTestFactory.CreateFailureMechanismSection()), null);
+
+            // Assert
+            string paramName = Assert.Throws<ArgumentNullException>(test).ParamName;
+            Assert.AreEqual("target", paramName);
+        }
+
+        [Test]
+        public void UpdateSectionResult_WithData_UpdatesTargetSectionResult()
+        {
+            // Setup
+            var random = new Random(39);
+            var strategy = new GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategy();
+            var originResult = new GrassCoverErosionInwardsFailureMechanismSectionResult(FailureMechanismSectionTestFactory.CreateFailureMechanismSection())
+            {
+                Calculation = new GrassCoverErosionInwardsCalculation(),
+                SimpleAssessmentResult = SimpleAssessmentValidityOnlyResultType.NotApplicable,
+                DetailedAssessmentResult = DetailedAssessmentProbabilityOnlyResultType.NotAssessed,
+                TailorMadeAssessmentResult = TailorMadeAssessmentProbabilityCalculationResultType.Probability,
+                TailorMadeAssessmentProbability = random.NextDouble(),
+                UseManualAssemblyProbability = true,
+                ManualAssemblyProbability = random.NextDouble()
+            };
+            var targetResult = new GrassCoverErosionInwardsFailureMechanismSectionResult(FailureMechanismSectionTestFactory.CreateFailureMechanismSection());
+
+            // Call
+            strategy.UpdateSectionResult(originResult, targetResult);
+
+            // Assert
+            Assert.AreSame(originResult.Calculation, targetResult.Calculation);
+            Assert.AreEqual(originResult.SimpleAssessmentResult, targetResult.SimpleAssessmentResult);
+            Assert.AreEqual(originResult.DetailedAssessmentResult, targetResult.DetailedAssessmentResult);
+            Assert.AreEqual(originResult.TailorMadeAssessmentResult, targetResult.TailorMadeAssessmentResult);
+            Assert.AreEqual(originResult.TailorMadeAssessmentProbability, targetResult.TailorMadeAssessmentProbability);
+            Assert.AreEqual(originResult.UseManualAssemblyProbability, targetResult.UseManualAssemblyProbability);
+            Assert.AreEqual(originResult.ManualAssemblyProbability, targetResult.ManualAssemblyProbability);
+            Assert.AreNotSame(originResult.Section, targetResult.Section);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Plugin.Test/GrassCoverErosionInwardsPluginTest.cs
===================================================================
diff -u -r73bb4932d13d36d1cd3cd30d8151f2adf49646f2 -r5a890dc1600bd7e5e060405df22c757daaedd885
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Plugin.Test/GrassCoverErosionInwardsPluginTest.cs	(.../GrassCoverErosionInwardsPluginTest.cs)	(revision 73bb4932d13d36d1cd3cd30d8151f2adf49646f2)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Plugin.Test/GrassCoverErosionInwardsPluginTest.cs	(.../GrassCoverErosionInwardsPluginTest.cs)	(revision 5a890dc1600bd7e5e060405df22c757daaedd885)
@@ -193,8 +193,9 @@
                 UpdateInfo[] updateInfos = plugin.GetUpdateInfos().ToArray();
 
                 // Assert
-                Assert.AreEqual(1, updateInfos.Length);
+                Assert.AreEqual(2, updateInfos.Length);
                 Assert.IsTrue(updateInfos.Any(i => i.DataType == typeof(DikeProfilesContext)));
+                Assert.IsTrue(updateInfos.Any(i => i.DataType == typeof(GrassCoverErosionInwardsFailureMechanismSectionsContext)));
             }
         }
 
Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Plugin.Test/Ringtoets.GrassCoverErosionInwards.Plugin.Test.csproj
===================================================================
diff -u -re63b47a8282dfc596cc2dbe89bd8ffb501b0b326 -r5a890dc1600bd7e5e060405df22c757daaedd885
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Plugin.Test/Ringtoets.GrassCoverErosionInwards.Plugin.Test.csproj	(.../Ringtoets.GrassCoverErosionInwards.Plugin.Test.csproj)	(revision e63b47a8282dfc596cc2dbe89bd8ffb501b0b326)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Plugin.Test/Ringtoets.GrassCoverErosionInwards.Plugin.Test.csproj	(.../Ringtoets.GrassCoverErosionInwards.Plugin.Test.csproj)	(revision 5a890dc1600bd7e5e060405df22c757daaedd885)
@@ -29,6 +29,7 @@
     <Compile Include="ExportInfos\GrassCoverErosionInwardsCalculationGroupContextExportInfoTest.cs" />
     <Compile Include="FileImporters\GrassCoverErosionInwardsDikeProfileReplaceDataStrategyTest.cs" />
     <Compile Include="FileImporters\GrassCoverErosionInwardsDikeProfileUpdateDataStrategyTest.cs" />
+    <Compile Include="FileImporters\GrassCoverErosionInwardsFailureMechanismSectionResultUpdateStrategyTest.cs" />
     <Compile Include="GrassCoverErosionInwardsPluginTest.cs" />
     <Compile Include="ImportInfos\DikeProfilesContextImportInfoTest.cs" />
     <Compile Include="ImportInfos\GrassCoverErosionInwardsCalculationGroupContextImportInfoTest.cs" />
@@ -129,6 +130,10 @@
       <Project>{52ba7627-cbab-4209-be77-3b5f31378277}</Project>
       <Name>Ringtoets.Common.IO</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\Common\src\Ringtoets.Common.Primitives\Ringtoets.Common.Primitives.csproj">
+      <Project>{78AA56F5-431D-465C-AC50-3173D7E90AC1}</Project>
+      <Name>Ringtoets.Common.Primitives</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\Common\test\Ringtoets.Common.Data.TestUtil\Ringtoets.Common.Data.TestUtil.csproj">
       <Project>{4843D6E5-066F-4795-94F5-1D53932DD03C}</Project>
       <Name>Ringtoets.Common.Data.TestUtil</Name>