Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsProbabilityAssessmentInput.cs
===================================================================
diff -u -rc4392a12110e2bb3549c5fee1ec319c229b67198 -r7111575120feef926652228c88b963ae1c18287e
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsProbabilityAssessmentInput.cs	(.../MacroStabilityInwardsProbabilityAssessmentInput.cs)	(revision c4392a12110e2bb3549c5fee1ec319c229b67198)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsProbabilityAssessmentInput.cs	(.../MacroStabilityInwardsProbabilityAssessmentInput.cs)	(revision 7111575120feef926652228c88b963ae1c18287e)
@@ -23,14 +23,15 @@
 using System.Globalization;
 using Core.Common.Base;
 using Core.Common.Base.Data;
+using Ringtoets.Common.Data.Probability;
 using Ringtoets.MacroStabilityInwards.Data.Properties;
 
 namespace Ringtoets.MacroStabilityInwards.Data
 {
     /// <summary>
     /// This class holds parameters which influence the probability estimate for a macro stability inwards assessment.
     /// </summary>
-    public class MacroStabilityInwardsProbabilityAssessmentInput
+    public class MacroStabilityInwardsProbabilityAssessmentInput : IProbabilityAssessmentInput
     {
         private static readonly Range<double> validityRangeA = new Range<double>(0, 1);
         private double a;
@@ -46,10 +47,10 @@
         }
 
         /// <summary>
-        /// Gets or sets 'a' parameter used to factor in the 'length effect' when determining the
-        /// maximum tolerated probability of failure.
+        /// Gets or sets the length of the assessment section.
         /// </summary>
-        /// <exception cref="ArgumentException">Thrown when value is not in the range [0, 1].</exception>
+        public double SectionLength { get; set; }
+
         public double A
         {
             get
@@ -68,15 +69,6 @@
             }
         }
 
-        /// <summary>
-        /// Gets 'b' parameter used to factor in the 'length effect' when determining the
-        /// maximum tolerated probability of failure.
-        /// </summary>
         public double B { get; }
-
-        /// <summary>
-        /// Gets or sets the length of the assessment section.
-        /// </summary>
-        public double SectionLength { get; set; }
     }
 }
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