diff --git a/java/org/slub/rosetta/dps/repository/plugin/ValidationSchemaType.java b/java/org/slub/rosetta/dps/repository/plugin/ValidationSchemaType.java
index d6e2f9b46653985fa3b46255abdb121a61118ef7..1f324b35a2934bb40a8023aed491151cffd938ff 100644
--- a/java/org/slub/rosetta/dps/repository/plugin/ValidationSchemaType.java
+++ b/java/org/slub/rosetta/dps/repository/plugin/ValidationSchemaType.java
@@ -16,5 +16,5 @@ limitations under the License.
 package org.slub.rosetta.dps.repository.plugin;
 
 public enum ValidationSchemaType {
-    schema, dtd, relaxng, schematron, nothing
+    schema, dtd, relaxng, schematron, nonvalidating, nothing,
 }
diff --git a/java/org/slub/rosetta/dps/repository/plugin/XmlFormatValidationPlugin.java b/java/org/slub/rosetta/dps/repository/plugin/XmlFormatValidationPlugin.java
index 8fd9c2814c66f23ed6383f2c3e5e226f725be296..c2b2578754277100c30cbb2dbaad881ab82f94ec 100644
--- a/java/org/slub/rosetta/dps/repository/plugin/XmlFormatValidationPlugin.java
+++ b/java/org/slub/rosetta/dps/repository/plugin/XmlFormatValidationPlugin.java
@@ -98,6 +98,7 @@ public class XmlFormatValidationPlugin implements FormatValidationPlugin {
                 case "schema" -> schematype = ValidationSchemaType.schema;
                 case "schematron" -> schematype = ValidationSchemaType.schematron;
                 case "relaxng" -> schematype = ValidationSchemaType.relaxng;
+                case "nonvalidating" -> schematype = ValidationSchemaType.nonvalidating;
                 default -> validationLogger.error("attribute schematype needs to be type of schema, schematron or relaxng, but is " + attr_type);
             }
             URI uri;
@@ -261,24 +262,32 @@ public class XmlFormatValidationPlugin implements FormatValidationPlugin {
             case dtd -> {
                 ValidateDTD validator = new ValidateDTD(validationCatalogResolver, validationErrorHandler, validationLogger);
                 valid = validator.validateAgainst(filePath);
+                break;
             }
             case schema -> {
                 ValidateSchema validator = new ValidateSchema(validationResourceResolver, validationLogger);
                 valid = validator.validateFormatAgainstSchemaRecursively(doc, validationSchema);
             }
+            case nonvalidating -> {
+                ValidateSchema validator = new ValidateSchema(validationResourceResolver, validationLogger);
+                valid = validator.validateFormatAgainstSchemaRecursively(doc, validationSchema);
+            }
             case relaxng -> {
                 ValidateRelaxNG validator = new ValidateRelaxNG(validationErrorHandler, validationLogger);
                 valid = validator.validateAgainst(doc, validationSchema.schemaURI);
+                break;
             }
             case schematron -> {
                 ValidateSchematron validator = new ValidateSchematron();
                 valid = validator.validateAgainst(doc, validationSchema.schemaURI);
                 validationLogger.error("unsupported schematron schema uri=" + validationSchema.schemaURI + " of type: " + validationSchema.schemaType);
                 valid = false;
+                break;
             }
             default -> {
                 validationLogger.error("unsupported schema uri=" + validationSchema.schemaURI + " of type: " + validationSchema.schemaType);
                 valid = false;
+                break;
             }
         }
     }