diff --git a/validator/src/test/java/org/mustangproject/validator/ZUGFeRDValidatorTest.java b/validator/src/test/java/org/mustangproject/validator/ZUGFeRDValidatorTest.java
index 489348c6..157c731a 100644
--- a/validator/src/test/java/org/mustangproject/validator/ZUGFeRDValidatorTest.java
+++ b/validator/src/test/java/org/mustangproject/validator/ZUGFeRDValidatorTest.java
@@ -71,6 +71,28 @@ public class ZUGFeRDValidatorTest extends ResourceCase {
 
 	}
 
+	/***
+	 * the XMLValidatorTests only cover the <xml></xml> part, this one includes the root element and
+	 * the global <summary></summary> part as well
+	 */
+	public void testV1XMLValidation() {
+		File tempFile = getResourceAsFile("invalidV1addition.xml");
+		ZUGFeRDValidator zfv = new ZUGFeRDValidator();
+
+		String res = zfv.validate(tempFile.getAbsolutePath());
+
+		assertThat(res).valueByXPath("count(//error)")
+				.asInt()
+				.isNotEqualTo(0);
+
+		assertThat(res).valueByXPath("/validation/summary/@status")
+				.asString()
+				.isEqualTo("invalid");// expect to be valid because XR notices are, well, only notices
+		assertThat(res).valueByXPath("/validation/xml/summary/@status")
+				.asString()
+				.isEqualTo("invalid");
+
+	}
 	/***
 	 * the XMLValidatorTests only cover the <xml></xml> part, this one includes the root element and
 	 * the global <summary></summary> part as well
diff --git a/validator/src/test/resources/invalidV1addition.xml b/validator/src/test/resources/invalidV1addition.xml
index ee6d766c..fa91df89 100644
--- a/validator/src/test/resources/invalidV1addition.xml
+++ b/validator/src/test/resources/invalidV1addition.xml
@@ -1,4 +1,16 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+The reason why this file fails the ZUGFeRD v1 schematron check is it's empty
+rsm:SpecifiedSupplyChainTradeTransaction/ram:ApplicableSupplyChainTradeAgreement/AdditionalReferencedDocument element.
+
+Please note that the following additional errors in this file go unnoticed:
+- ApplicableTradeTax/BasisAmount being 161 instead of 160
+- SpecifiedTradeSettlementMonetarySummation/LineTotalAmount being 1496 instead of 496
+- SpecifiedTradeSettlementMonetarySummation/GrandTotalAmount and /DuePayableAmount being 1571.4 instead of 571.04 (wrong amount and wrong number of decimals)
+- IncludedSupplyChainTradeLineItem for line ID 3 SpecifiedSupplyChainTradeSettlement/SpecifiedTradeSettlementMonetarySummation/LineTotalAmount being 201 instead of 20
+
+
+-->
 <rsm:CrossIndustryDocument xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:12" xmlns:udt="urn:un:unece:uncefact:data:standard:UnqualifiedDataType:15" xmlns:rsm="urn:ferd:CrossIndustryDocument:invoice:1p0">
     <rsm:SpecifiedExchangedDocumentContext>
         <ram:TestIndicator>
@@ -45,6 +57,8 @@
                     <ram:ID schemeID="VA">DE999999999</ram:ID>
                 </ram:SpecifiedTaxRegistration>
             </ram:BuyerTradeParty>
+            <ram:AdditionalReferencedDocument>
+            </ram:AdditionalReferencedDocument>
         </ram:ApplicableSupplyChainTradeAgreement>
         <ram:ApplicableSupplyChainTradeDelivery>
             <ram:ActualDeliverySupplyChainEvent>