From 9aa49d148374584b3a1c476f56fab74c7ee59179 Mon Sep 17 00:00:00 2001
From: jstaerk <jstaerk@usegroup.de>
Date: Mon, 20 Oct 2025 10:44:09 +0200
Subject: [PATCH] corrected UBL import

---
 .../org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java
index 9b54612f..8971ecff 100644
--- a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java
+++ b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java
@@ -610,8 +610,8 @@ public class ZUGFeRDInvoiceImporter {
 			String tenderReference = extractString("/*[local-name()=\"Invoice\" or local-name()=\"CreditNote\"]/*[local-name()=\"OriginatorDocumentReference\"]/*[local-name()=\"ID\"]").trim();
 			String tenderReferenceDate = extractString("/*[local-name()=\"Invoice\" or local-name()=\"CreditNote\"]/*[local-name()=\"OriginatorDocumentReference\"]/*[local-name()=\"ID\"]").trim();
 			//if (tenderReference!=null) zpp... @todo bt-17 create a ubl with a date and set up an according xpath and if only tenderReference!=null only set that but if  tenderReference!=null&&date!=null set both in zpp
-			if(tenderReference != null){
-				if(tenderReferenceDate != null){
+			if((tenderReference != null)&&(!tenderReference.isEmpty())){
+				if((tenderReferenceDate != null)&&(!tenderReferenceDate.isEmpty())){
 					zpp.setTenderReferencedDocument(new DatedReference(tenderReference, parseDate(tenderReferenceDate, "yyyy-MM-dd")));
 				} else {
 					zpp.setTenderReferencedDocument(tenderReference);