Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/UpliftVan/IUpliftVanKernel.cs
===================================================================
diff -u -r5b4fdd217b573664d8ee5b2d3b571159833d4ed5 -r0b21aa321e05e40b31eb5ace3adc8bb9cebea68d
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/UpliftVan/IUpliftVanKernel.cs	(.../IUpliftVanKernel.cs)	(revision 5b4fdd217b573664d8ee5b2d3b571159833d4ed5)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/UpliftVan/IUpliftVanKernel.cs	(.../IUpliftVanKernel.cs)	(revision 0b21aa321e05e40b31eb5ace3adc8bb9cebea68d)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System.Collections.Generic;
 using Deltares.WTIStability;
 using Deltares.WTIStability.Data.Geo;
 using Ringtoets.MacroStabilityInwards.KernelWrapper.Calculators.UpliftVan;
@@ -136,5 +137,11 @@
         /// <exception cref="UpliftVanKernelWrapperException">Thrown when
         /// an unexpected error occurs when performing the calculation.</exception>
         void Calculate();
+
+        /// <summary>
+        /// Validates the input for the Uplift Van calculation.
+        /// </summary>
+        /// <returns>A list of validation strings, or an empty list if there are no validation errors.</returns>
+        List<string> Validate();
     }
 }
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