Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationImporter.cs
===================================================================
diff -u -r34427a72185b44cb53697b3f58ab941e838d1665 -r78584140e80fac8c1c9c9468cb7aafbac43b0ef5
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationImporter.cs	(.../MacroStabilityInwardsCalculationConfigurationImporter.cs)	(revision 34427a72185b44cb53697b3f58ab941e838d1665)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationImporter.cs	(.../MacroStabilityInwardsCalculationConfigurationImporter.cs)	(revision 78584140e80fac8c1c9c9468cb7aafbac43b0ef5)
@@ -99,7 +99,7 @@
             {
                 SetSimpleProperties(calculationConfiguration, calculation.InputParameters);
 
-                SetZonesParameters(calculationConfiguration, calculation.InputParameters);
+                SetZoningBoundariesDeterminationType(calculationConfiguration, calculation.InputParameters);
                 SetDikeSoilScenario(calculationConfiguration, calculation.InputParameters);
                 SetGridDeterminationType(calculationConfiguration, calculation.InputParameters);
                 SetTangentLineDeterminationType(calculationConfiguration, calculation.InputParameters);
@@ -641,43 +641,44 @@
             {
                 input.MoveGrid = calculationConfiguration.MoveGrid.Value;
             }
-        }
 
-        /// <summary>
-        /// Assigns the zones parameters.
-        /// </summary>
-        /// <param name="configuration">The read calculation read.</param>
-        /// <param name="input">The calculation input to configure.</param>
-        private static void SetZonesParameters(MacroStabilityInwardsCalculationConfiguration configuration,
-                                                MacroStabilityInwardsInput input)
-        {
-            if (configuration.CreateZones.HasValue)
+            if (calculationConfiguration.CreateZones.HasValue)
             {
-                input.CreateZones = configuration.CreateZones.Value;
+                input.CreateZones = calculationConfiguration.CreateZones.Value;
             }
 
-            if (configuration.ZoningBoundariesDeterminationType.HasValue)
+            if (calculationConfiguration.ZoneBoundaryLeft.HasValue)
             {
-                input.ZoningBoundariesDeterminationType = (MacroStabilityInwardsZoningBoundariesDeterminationType)
-                    new ConfigurationZoningBoundariesDeterminationTypeConverter().ConvertTo(configuration.ZoningBoundariesDeterminationType.Value,
-                                                                                            typeof(MacroStabilityInwardsZoningBoundariesDeterminationType));
+                input.ZoneBoundaryLeft = (RoundedDouble) calculationConfiguration.ZoneBoundaryLeft.Value;
             }
-
-            if (configuration.ZoneBoundaryLeft.HasValue)
+            if (calculationConfiguration.ZoneBoundaryRight.HasValue)
             {
-                input.ZoneBoundaryLeft = (RoundedDouble) configuration.ZoneBoundaryLeft.Value;
+                input.ZoneBoundaryRight = (RoundedDouble) calculationConfiguration.ZoneBoundaryRight.Value;
             }
+        }
 
-            if (configuration.ZoneBoundaryRight.HasValue)
+        /// <summary>
+        /// Assigns the zoning boundary determination type.
+        /// </summary>
+        /// <param name="configuration">The read calculation configuration.</param>
+        /// <param name="input">The calculation input to configure.</param>
+        private static void SetZoningBoundariesDeterminationType(MacroStabilityInwardsCalculationConfiguration configuration,
+                                                                 MacroStabilityInwardsInput input)
+        {
+            if (!configuration.ZoningBoundariesDeterminationType.HasValue)
             {
-                input.ZoneBoundaryRight = (RoundedDouble) configuration.ZoneBoundaryRight.Value;
+                return;
             }
+
+            input.ZoningBoundariesDeterminationType = (MacroStabilityInwardsZoningBoundariesDeterminationType)
+                new ConfigurationZoningBoundariesDeterminationTypeConverter().ConvertTo(configuration.ZoningBoundariesDeterminationType.Value,
+                                                                                        typeof(MacroStabilityInwardsZoningBoundariesDeterminationType));
         }
 
         /// <summary>
         /// Assigns the dike soil scenario.
         /// </summary>
-        /// <param name="configuration">The read calculation read.</param>
+        /// <param name="configuration">The read calculation configuration.</param>
         /// <param name="input">The calculation input to configure.</param>
         private static void SetDikeSoilScenario(MacroStabilityInwardsCalculationConfiguration configuration,
                                                 MacroStabilityInwardsInput input)
@@ -694,7 +695,7 @@
         /// <summary>
         /// Assigns the grid determination type.
         /// </summary>
-        /// <param name="configuration">The read calculation read.</param>
+        /// <param name="configuration">The read calculation configuration.</param>
         /// <param name="input">The calculation input to configure.</param>
         private static void SetGridDeterminationType(MacroStabilityInwardsCalculationConfiguration configuration,
                                                      MacroStabilityInwardsInput input)
@@ -711,7 +712,7 @@
         /// <summary>
         /// Assigns the tangent line determination type.
         /// </summary>
-        /// <param name="configuration">The read calculation read.</param>
+        /// <param name="configuration">The read calculation configuration.</param>
         /// <param name="input">The calculation input to configure.</param>
         private static void SetTangentLineDeterminationType(MacroStabilityInwardsCalculationConfiguration configuration,
                                                             MacroStabilityInwardsInput input)
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Resources/MacroStabiliteitBinnenwaartsZonesSchema.xsd
===================================================================
diff -u -r34427a72185b44cb53697b3f58ab941e838d1665 -r78584140e80fac8c1c9c9468cb7aafbac43b0ef5
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Resources/MacroStabiliteitBinnenwaartsZonesSchema.xsd	(.../MacroStabiliteitBinnenwaartsZonesSchema.xsd)	(revision 34427a72185b44cb53697b3f58ab941e838d1665)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Resources/MacroStabiliteitBinnenwaartsZonesSchema.xsd	(.../MacroStabiliteitBinnenwaartsZonesSchema.xsd)	(revision 78584140e80fac8c1c9c9468cb7aafbac43b0ef5)
@@ -29,7 +29,6 @@
       <xs:all>
         <!--Specificeert of zonering moet worden toegepast op het intredepunt van het glijvlak.-->
         <xs:element name="bepaling" type="xs:boolean" minOccurs="0"/>
-        
         <xs:element ref="methode" minOccurs="0"/>
         <xs:element ref="zoneringsgrenslinks" minOccurs="0"/>
         <xs:element ref="zoneringsgrensrechts" minOccurs="0"/>