diff --git a/org.eclipse.winery.cli/src/main/java/org/eclipse/winery/cli/WineryCli.java b/org.eclipse.winery.cli/src/main/java/org/eclipse/winery/cli/WineryCli.java
index 4913f945da..ffdb481a6e 100644
--- a/org.eclipse.winery.cli/src/main/java/org/eclipse/winery/cli/WineryCli.java
+++ b/org.eclipse.winery.cli/src/main/java/org/eclipse/winery/cli/WineryCli.java
@@ -170,6 +170,7 @@ private static List<String> checkCorruptionUsingCsarExport(IRepository repositor
 			if (id instanceof ServiceTemplateId) {
 				checkServiceTemplate(repository, res, verbosity, (ServiceTemplateId) id);
 			}
+			checkPlainConformance(res, verbosity, id, tempCsar);
 			checkCsar(res, verbosity, id, tempCsar);
 		}
 
@@ -183,6 +184,17 @@ private static List<String> checkCorruptionUsingCsarExport(IRepository repositor
 		return res;
 	}
 
+	private static void checkPlainConformance(List<String> res, EnumSet<Verbosity> verbosity, DefinitionsChildId id, Path tempCsar) {
+		// TODO implement according to https://winery.github.io/test-repository/plain
+		if (id.getNamespace().getDecoded().startsWith("http://plain.winery.opentosca.org/")) {
+			if (id instanceof EntityTypeId) {
+				if (id.getXmlId().getDecoded().endsWith("WithoutProperties")) {
+					// TODO
+				}
+			}
+		}
+	}
+
 	private static void checkServiceTemplate(IRepository repository, List<String> res, EnumSet<Verbosity> verbosity, ServiceTemplateId id) {
 		final TServiceTemplate serviceTemplate = repository.getElement(id);
 		if (serviceTemplate.getTopologyTemplate() == null) {