Index: Ringtoets/Piping/src/Ringtoets.Piping.Plugin/FileImporter/PipingSoilProfilesImporter.cs
===================================================================
diff -u -r220a073b3d2066d57af048325e3ba37bb1340d0d -r1ef390986aef1eb1b580ff23adb64f5582b9a35d
--- Ringtoets/Piping/src/Ringtoets.Piping.Plugin/FileImporter/PipingSoilProfilesImporter.cs	(.../PipingSoilProfilesImporter.cs)	(revision 220a073b3d2066d57af048325e3ba37bb1340d0d)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Plugin/FileImporter/PipingSoilProfilesImporter.cs	(.../PipingSoilProfilesImporter.cs)	(revision 1ef390986aef1eb1b580ff23adb64f5582b9a35d)
@@ -81,10 +81,15 @@
 
         public override ProgressChangedDelegate ProgressChanged { protected get; set; }
 
+        public override bool CanImportOn(object targetItem)
+        {
+            return base.CanImportOn(targetItem) && IsReferenceLineAvailable(targetItem);
+        }
+
         public override bool Import(object targetItem, string filePath)
         {
-            var surfaceLinesContext = (StochasticSoilModelContext) targetItem;
-            if (!IsReferenceLineAvailable(surfaceLinesContext))
+            var stochasticSoilModelContext = (StochasticSoilModelContext) targetItem;
+            if (!IsReferenceLineAvailable(stochasticSoilModelContext))
             {
                 log.Error(RingtoetsPluginResources.PipingSoilProfilesImporter_Import_Required_referenceline_missing);
                 return false;
@@ -124,7 +129,7 @@
                 return false;
             }
 
-            AddImportedDataToModel(surfaceLinesContext, importStochasticSoilModelResult.ImportedItems);
+            AddImportedDataToModel(stochasticSoilModelContext, importStochasticSoilModelResult.ImportedItems);
             return true;
         }
 
@@ -192,9 +197,9 @@
             return true;
         }
 
-        private static bool IsReferenceLineAvailable(StochasticSoilModelContext targetItem)
+        private static bool IsReferenceLineAvailable(object targetItem)
         {
-            return targetItem.AssessmentSection.ReferenceLine != null;
+            return ((StochasticSoilModelContext) targetItem).AssessmentSection.ReferenceLine != null;
         }
 
         private void HandleException(string path, Exception e)
Index: Ringtoets/Piping/src/Ringtoets.Piping.Plugin/FileImporter/PipingSurfaceLinesCsvImporter.cs
===================================================================
diff -u -rd305785c5a4330022a5d01cc62ea793a0ae1c5d8 -r1ef390986aef1eb1b580ff23adb64f5582b9a35d
--- Ringtoets/Piping/src/Ringtoets.Piping.Plugin/FileImporter/PipingSurfaceLinesCsvImporter.cs	(.../PipingSurfaceLinesCsvImporter.cs)	(revision d305785c5a4330022a5d01cc62ea793a0ae1c5d8)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Plugin/FileImporter/PipingSurfaceLinesCsvImporter.cs	(.../PipingSurfaceLinesCsvImporter.cs)	(revision 1ef390986aef1eb1b580ff23adb64f5582b9a35d)
@@ -143,7 +143,7 @@
 
         private static bool IsReferenceLineAvailable(object targetItem)
         {
-            return ((RingtoetsPipingSurfaceLinesContext)targetItem).AssessmentSection.ReferenceLine != null;
+            return ((RingtoetsPipingSurfaceLinesContext) targetItem).AssessmentSection.ReferenceLine != null;
         }
 
         private ReadResult<T> HandleCriticalReadError<T>(Exception e)
Index: Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/FileImporter/PipingSoilProfilesImporterTest.cs
===================================================================
diff -u -r220a073b3d2066d57af048325e3ba37bb1340d0d -r1ef390986aef1eb1b580ff23adb64f5582b9a35d
--- Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/FileImporter/PipingSoilProfilesImporterTest.cs	(.../PipingSoilProfilesImporterTest.cs)	(revision 220a073b3d2066d57af048325e3ba37bb1340d0d)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/FileImporter/PipingSoilProfilesImporterTest.cs	(.../PipingSoilProfilesImporterTest.cs)	(revision 1ef390986aef1eb1b580ff23adb64f5582b9a35d)
@@ -53,6 +53,50 @@
         }
 
         [Test]
+        public void CanImportOn_ValidContextWithReferenceLine_ReturnTrue()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var assessmentSection = mocks.Stub<AssessmentSectionBase>();
+            assessmentSection.ReferenceLine = new ReferenceLine();
+            var failureMechanism = new PipingFailureMechanism();
+            mocks.ReplayAll();
+
+            var targetContext = new StochasticSoilModelContext(failureMechanism, assessmentSection);
+
+            var importer = new PipingSoilProfilesImporter();
+
+            // Call
+            var canImport = importer.CanImportOn(targetContext);
+
+            // Assert
+            Assert.IsTrue(canImport);
+            mocks.VerifyAll();
+        }
+
+        [Test]
+        public void CanImportOn_ValidContextWithoutReferenceLine_ReturnFalse()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var assessmentSection = mocks.Stub<AssessmentSectionBase>();
+            assessmentSection.ReferenceLine = null;
+            var failureMechanism = new PipingFailureMechanism();
+            mocks.ReplayAll();
+
+            var targetContext = new StochasticSoilModelContext(failureMechanism, assessmentSection);
+
+            var importer = new PipingSoilProfilesImporter();
+
+            // Call
+            var canImport = importer.CanImportOn(targetContext);
+
+            // Assert
+            Assert.IsFalse(canImport);
+            mocks.VerifyAll();
+        }
+
+        [Test]
         public void Import_FromNonExistingFile_LogError()
         {
             // Setup