test for #1133

.gitea/workflows/maven.yml

@@ -1,22 +0,0 @@
-# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
-# For setup-java see: https://github.com/actions/setup-java#Usage 
-
-name: Java CI with Maven
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: self-hosted
-
-    steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-java@v3 # the log states the default ~/.m2/toolchains.xml is being created pointing to the JDK
-      with:
-        distribution: 'adopt' # for latest JDKs use temurin https://blog.adoptopenjdk.net/2021/08/goodbye-adoptopenjdk-hello-adoptium/
-        java-version: '11'
-        cache: 'maven' #cache/restore any dependencies to improve the workflow execution time
-    - name: Build with Maven
-      run: mvn -B package --file pom.xml

library/pom.xml

@@ -44,7 +44,7 @@
         <github.global.server>github</github.global.server>
         <additionalparam>-Xdoclint:none</additionalparam>
         <!-- Skip error check for javadoc -->
-        <maven.compiler.release>8</maven.compiler.release>
+        <maven.compiler.release>11</maven.compiler.release>
         <maven.deploy.skip>true</maven.deploy.skip><!-- do deploy to maven central, parent project does not and inherits -->
     </properties>
     <dependencies>
@@ -169,8 +169,8 @@
                     <!-- http://stackoverflow.com/questions/574594/how-can-i-create-an-executable-jar-with-dependencies-using-maven
                         mvn clean compile assembly:single -->
                     <!-- or whatever version you use -->
-                    <source>8</source>
+                    <source>11</source>
-                    <target>8</target>
+                    <target>11</target>
                 </configuration>
             </plugin>
             <plugin>
@@ -331,7 +331,7 @@
                         <configuration>
                             <toolchains>
                                 <jdk>
-                                    <version>8</version>
+                                    <version>11</version>
                                     <vendor>adopt</vendor>
                                 </jdk>
                             </toolchains>

library/src/main/java/org/mustangproject/Contact.java

@@ -5,9 +5,6 @@ import com.fasterxml.jackson.annotation.JsonInclude;
 import org.mustangproject.ZUGFeRD.IZUGFeRDExportableContact;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
-
-import java.util.Arrays;
-import java.util.HashSet;
 import java.util.Set;
 
 /***
@@ -118,7 +115,7 @@ public class Contact implements IZUGFeRDExportableContact {
 				String localName = currentItemNode.getLocalName();
 				if (localName != null) {
 
-					Set<String> nameElements = new HashSet<>(Arrays.asList("PersonName"/*CII*/, "Name"/*UBL*/));
+					Set<String> nameElements = Set.of("PersonName"/*CII*/, "Name"/*UBL*/);
 					if (localName != null && nameElements.contains(localName)
 						&& currentItemNode.getFirstChild()!=null) {
 							setName(currentItemNode.getFirstChild().getNodeValue());

library/src/main/java/org/mustangproject/Item.java

@@ -335,7 +335,7 @@ public class Item implements IZUGFeRDExportableItem {
 		return this;
 	}
 
-	@Deprecated()
+	@Deprecated(since = "2.14.0")
 	public Item addReferencedLineID(String s) {
 		return addBuyerOrderReferencedDocumentLineID(s);
 	}

library/src/main/java/org/mustangproject/TradeParty.java

@@ -1,6 +1,8 @@
 package org.mustangproject;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -161,7 +163,7 @@ public class TradeParty implements IZUGFeRDExportableTradeParty {
 												NodeList taxSchemechilds = partyTaxScheme.item(partyTaxSchemeIndex).getChildNodes();
 												for (int taxSchemechildsIndex = 0; taxSchemechildsIndex < taxSchemechilds.getLength(); taxSchemechildsIndex++) {
 													if (taxSchemechilds.item(taxSchemechildsIndex).getLocalName() != null) {
-														Set<String> taxSchemeTypes = new HashSet<>(Arrays.asList("FC", "NOVAT"));
+														Set<String> taxSchemeTypes = Set.of("FC", "NOVAT");
 														String textContent = taxSchemechilds.item(taxSchemechildsIndex).getTextContent();
 														if (textContent != null && taxSchemeTypes.contains(textContent)) {
 															setTaxID(CompanyId);

library/src/main/java/org/mustangproject/ZUGFeRD/TransactionCalculator.java

@@ -282,7 +282,7 @@ public class TransactionCalculator implements IAbsoluteValueProvider {
 				itemVATAmount.setVatExemptionReasonText(reasonText);
 			}
 			final Optional<VATAmount> currentVatAmount = this.getCurrentVatAmount(vatAmounts, currentItem.getProduct().getTaxCategoryCode(), percent);
-			if (!currentVatAmount.isPresent()) {
+			if (currentVatAmount.isEmpty()) {
 				vatAmounts.add(itemVATAmount);
 			} else {
 				this.mergeAdding(currentVatAmount.get(), itemVATAmount);
@@ -299,7 +299,7 @@ public class TransactionCalculator implements IAbsoluteValueProvider {
 					final BigDecimal chargeBasis = currentCharge.getTotalAmount(this);
 					final VATAmount chargeVatAmount = new VATAmount(chargeBasis, chargeBasis.multiply(taxPercent.divide(new BigDecimal(100))), vatCategoryCode,
 						vatDueDateTypeCode, taxPercent);
-					if (!currentChargeVatAmount.isPresent()) {
+					if (currentChargeVatAmount.isEmpty()) {
 						vatAmounts.add(chargeVatAmount);
 					} else {
 						this.mergeAdding(currentChargeVatAmount.get(), chargeVatAmount);
@@ -319,7 +319,7 @@ public class TransactionCalculator implements IAbsoluteValueProvider {
 						allowanceNegativeBasis.multiply(taxPercent.divide(new BigDecimal(100))),
 						currentAllowance.getCategoryCode() != null ? currentAllowance.getCategoryCode() : "S",
 						vatDueDateTypeCode, taxPercent);
-					if (!currentAllowanceVatAmount.isPresent()) {
+					if (currentAllowanceVatAmount.isEmpty()) {
 						vatAmounts.add(allowanceVATAmount);
 					} else {
 						this.mergeAdding(currentAllowanceVatAmount.get(), allowanceVATAmount);
@@ -333,13 +333,10 @@ public class TransactionCalculator implements IAbsoluteValueProvider {
 	public void mergeAdding(VATAmount vatAmount, VATAmount toAdd) {
 		vatAmount.setBasis(vatAmount.getBasis().add(toAdd.getBasis()));
 		vatAmount.setCalculated(vatAmount.getCalculated().add(toAdd.getCalculated()));
-		if (toAdd.getVatExemptionReasonText() != null && !toAdd.getVatExemptionReasonText().trim().isEmpty()) {
+		if (toAdd.getVatExemptionReasonText() != null && !toAdd.getVatExemptionReasonText().isBlank()) {
-			Optional<String> text = Optional.ofNullable(vatAmount.getVatExemptionReasonText()).filter(reasonText -> !reasonText.equals(toAdd.getVatExemptionReasonText()));
+			Optional.ofNullable(vatAmount.getVatExemptionReasonText()).filter(reasonText -> !reasonText.equals(toAdd.getVatExemptionReasonText())).ifPresentOrElse(
-			if (text.isPresent()) {
+				text -> vatAmount.setVatExemptionReasonText(String.join(", ", text, toAdd.getVatExemptionReasonText())),
-				vatAmount.setVatExemptionReasonText(String.join(", ", text.get(), toAdd.getVatExemptionReasonText()));
+				() -> vatAmount.setVatExemptionReasonText(toAdd.getVatExemptionReasonText()));
-			} else {
-				vatAmount.setVatExemptionReasonText(toAdd.getVatExemptionReasonText());
-			}
 		}
 	}
 

library/src/main/java/org/mustangproject/ZUGFeRD/ValidationLogVisualizer.java

@@ -76,7 +76,7 @@ public class ValidationLogVisualizer {
 			LOGGER.error("Failed to create PDF", e1);
 		}
 
-		return new String(baos.toByteArray(), StandardCharsets.UTF_8);
+		return baos.toString(StandardCharsets.UTF_8);
 	}
 
 	public byte[] createPDFBytes(String xmlLogfileContent) {

library/src/main/java/org/mustangproject/ZUGFeRD/XMLUpgrader.java

@@ -56,7 +56,7 @@ public class XMLUpgrader {
 		ByteArrayOutputStream baos = new ByteArrayOutputStream();
 		applySchematronXsl(new FileInputStream(xmlFilename), baos);
 		String res = null;
-		res = new String(baos.toByteArray(), StandardCharsets.UTF_8);
+		res = baos.toString(StandardCharsets.UTF_8);
 		return res;
 	}
 

library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java

@@ -385,7 +385,7 @@ public class ZUGFeRD2PullProvider implements IXMLProvider {
 		}
 
 		String businessProcessId = trans.getBusinessProcessId();
-		if (businessProcessId != null && !businessProcessId.trim().isEmpty()) {
+		if (businessProcessId != null && !businessProcessId.isBlank()) {
  			xml += "<ram:BusinessProcessSpecifiedDocumentContextParameter>\n"
 				+ "<ram:ID>" +  XMLTools.encodeXML(businessProcessId)  + "</ram:ID>\n"
 				+ "</ram:BusinessProcessSpecifiedDocumentContextParameter>\n";

library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDInvoiceImporter.java

@@ -36,7 +36,16 @@ import java.nio.file.Paths;
 import java.nio.file.StandardOpenOption;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Base64;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
 import java.util.concurrent.TimeUnit;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -237,14 +246,14 @@ public class ZUGFeRDInvoiceImporter {
 			 */
 
 			final PDEmbeddedFile embeddedFile = fileSpec.getEmbeddedFile();
-			Set<String> validFilenames = new HashSet<>(Arrays.asList(
+			Set<String> validFilenames = Set.of(
 				"ZUGFeRD-invoice.xml",
 				"zugferd-invoice.xml",
 				"factur-x.xml",
 				"xrechnung.xml",
 				"order-x.xml",
 				"cida.xml"
-			));
+			);
 
 			if (validFilenames.contains(filename)) {
 				containsMeta = true;
@@ -635,7 +644,7 @@ public class ZUGFeRDInvoiceImporter {
 		zpp.addNotes(includedNotes);
 		String rootNode = extractString("local-name(/*)");
 		String potentialCashDiscountTerms=null;
-		if (rootNode != null && new HashSet<>(Arrays.asList("Invoice", "CreditNote")).contains(rootNode)) {
+		if (rootNode != null && Set.of("Invoice", "CreditNote").contains(rootNode)) {
 			// UBL...
 			// //*[local-name()="Invoice" or local-name()="CreditNote"]
 			number = extractString("/*[local-name()=\"Invoice\" or local-name()=\"CreditNote\"]/*[local-name()=\"ID\"]").trim();
@@ -1365,7 +1374,7 @@ public class ZUGFeRDInvoiceImporter {
 			if (whichType != EStandard.despatchadvice && !ignoreCalculationErrors) {
 				// Check calculation if document type allows it and calculation errors should not be ignored
 
-				String payableTotalFromXml = XMLTools.nDigitFormat(Objects.requireNonNull(duePayableAmount != null ? duePayableAmount : expectedGrandTotal), 2);
+				String payableTotalFromXml = XMLTools.nDigitFormat(Objects.requireNonNullElse(duePayableAmount, expectedGrandTotal), 2);
 				if (!calculatedPayableTotal.equals(payableTotalFromXml)) {
 					String moreDetails = "";
 					try {

library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDVisualizer.java

@@ -142,7 +142,7 @@ public class ZUGFeRDVisualizer {
 
 		if (thestandard == EStandard.zugferd) {
 			applyZF1XSLT(xmlContentStream, htmlOutput);
-			return new String(htmlOutput.toByteArray(), StandardCharsets.UTF_8);
+			return htmlOutput.toString(StandardCharsets.UTF_8);
 		} else if (thestandard == EStandard.facturx) {
 			//zf2 or fx
 			applyZF2XSLT(xmlContentStream, htmlOutput);
@@ -164,7 +164,7 @@ public class ZUGFeRDVisualizer {
 			applyXSLTToHTML(in.get(), htmlOutStream, lang);
 		}
 
-		return new String(htmlOutStream.toByteArray(), StandardCharsets.UTF_8);
+		return htmlOutStream.toString(StandardCharsets.UTF_8);
 	}
 
 	/**
@@ -258,7 +258,7 @@ public class ZUGFeRDVisualizer {
 		if (in.isPresent()) {
 			applyXSLTToPDF(in.get(), baos, lang);
 		}
-		return new String(baos.toByteArray(), StandardCharsets.UTF_8);
+		return baos.toString(StandardCharsets.UTF_8);
 	}
 
 	public void toPDF(String xmlFilename, String pdfFilename) {

library/src/test/java/org/mustangproject/ZUGFeRD/BackwardCompatibilityTest.java

@@ -66,7 +66,7 @@ public class BackwardCompatibilityTest extends TestCase implements IExportableTr
 			ByteArrayOutputStream baos = new ByteArrayOutputStream();
 			ze.export(baos);
 			ze.close();
-			String pdfContent = new String(baos.toByteArray(), StandardCharsets.UTF_8);
+			String pdfContent = baos.toString(StandardCharsets.UTF_8);
 			assertFalse(pdfContent.indexOf("(via mustangproject.org") == -1);
 			// check for pdf-a schema extension
 //			assertFalse(pdfContent.indexOf("<zf:ConformanceLevel>EN 16931</zf:ConformanceLevel>") == -1);
@@ -106,7 +106,7 @@ public class BackwardCompatibilityTest extends TestCase implements IExportableTr
 			ByteArrayOutputStream baos = new ByteArrayOutputStream();
 			ze.export(baos);
 			ze.close();
-			String pdfContent = new String(baos.toByteArray(), StandardCharsets.UTF_8);
+			String pdfContent = baos.toString(StandardCharsets.UTF_8);
 			assertFalse(pdfContent.indexOf("(via mustangproject.org") == -1);
 			// check for pdf-a schema extension
 //			assertFalse(pdfContent.indexOf("<zf:ConformanceLevel>EN 16931</zf:ConformanceLevel>") == -1);
@@ -144,7 +144,7 @@ public class BackwardCompatibilityTest extends TestCase implements IExportableTr
 			ByteArrayOutputStream baos = new ByteArrayOutputStream();
 			ze.export(baos);
 			ze.close();
-			String pdfContent = new String(baos.toByteArray(), StandardCharsets.UTF_8);
+			String pdfContent = baos.toString(StandardCharsets.UTF_8);
 			assertFalse(pdfContent.indexOf("(via mustangproject.org") == -1);
 			// check for pdf-a schema extension
 //			assertFalse(pdfContent.indexOf("<zf:ConformanceLevel>EN 16931</zf:ConformanceLevel>") == -1);

library/src/test/java/org/mustangproject/ZUGFeRD/DeSerializationTest.java

@@ -63,10 +63,10 @@ public class DeSerializationTest extends ResourceCase {
 
 	public void testProduct() throws IOException, XPathExpressionException, ParseException {
 		File inputCII = getResourceAsFile("Extended_fremdwaehrung.xml");
-		ZUGFeRDInvoiceImporter zii = new ZUGFeRDInvoiceImporter();
+		var zii = new ZUGFeRDInvoiceImporter();
 		zii.doIgnoreCalculationErrors();
-		zii.fromXML(new String(Files.readAllBytes(inputCII.toPath())));
+		zii.fromXML(Files.readString(inputCII.toPath()));
-		IZUGFeRDExportableProduct product = zii.extractInvoice()
+		var product = zii.extractInvoice()
 			.getZFItems()[0]
 			.getProduct();
 

library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterCustomXMLTest.java

@@ -271,7 +271,7 @@ public class MustangReaderWriterCustomXMLTest extends TestCase {
 			zea1.export(TARGET_PDF);
 			zea1.export(baos);
 			zea1.close();
-			String pdfContent = new String(baos.toByteArray(), StandardCharsets.UTF_8);
+			String pdfContent = baos.toString(StandardCharsets.UTF_8);
 			assertFalse(pdfContent.indexOf("(via mustangproject.org") == -1);
 			assertFalse(pdfContent.indexOf("<fx:ConformanceLevel>EN 16931</fx:ConformanceLevel>") == -1);
 
@@ -460,7 +460,7 @@ public class MustangReaderWriterCustomXMLTest extends TestCase {
 			zea1.export(TARGET_PDF);
 			zea1.export(baos);
 			zea1.close();
-			String pdfContent = new String(baos.toByteArray(), StandardCharsets.UTF_8);
+			String pdfContent = baos.toString(StandardCharsets.UTF_8);
 			assertFalse(pdfContent.indexOf("(via mustangproject.org") == -1);
 			assertFalse(pdfContent.indexOf("<zf:ConformanceLevel>BASIC</zf:ConformanceLevel>") == -1);
 

library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java

@@ -373,7 +373,7 @@ public class MustangReaderWriterTest extends MustangReaderTestCase {
 			ByteArrayOutputStream baos = new ByteArrayOutputStream();
 			ze.export(baos);
 			ze.close();
-			String pdfContent = new String(baos.toByteArray(), StandardCharsets.UTF_8);
+			String pdfContent = baos.toString(StandardCharsets.UTF_8);
 			assertFalse(pdfContent.indexOf("(via mustangproject.org") == -1);
 			// check for pdf-a schema extension
 //			assertFalse(pdfContent.indexOf("<zf:ConformanceLevel>EN 16931</zf:ConformanceLevel>") == -1);
@@ -445,7 +445,7 @@ public class MustangReaderWriterTest extends MustangReaderTestCase {
 				result.write(buffer, 0, length);
 			}
 
-			byte[] bytes = result.toByteArray();
+			var bytes = result.toByteArray();
 			ze.addAdditionalFile("test.pdf", bytes);
 
 			ze.setTransaction(this);

library/src/test/java/org/mustangproject/ZUGFeRD/UBLTest.java

@@ -90,7 +90,7 @@ public class UBLTest extends ResourceCase {
 			final ByteArrayOutputStream baos=new ByteArrayOutputStream();
 			oe.export(baos);
 
-			final String theXML = new String(baos.toByteArray(), StandardCharsets.UTF_8);
+			final String theXML = baos.toString(StandardCharsets.UTF_8);
 			assertTrue(theXML.contains("<DespatchAdvice"));
 			Files.write(Paths.get(TARGET_XML), theXML.getBytes(StandardCharsets.UTF_8));
 		} catch (final IOException e) {

pom.xml

@@ -28,7 +28,7 @@
         <github.global.server>github</github.global.server>
         <additionalparam>-Xdoclint:none</additionalparam>
         <!-- Skip error check for javadoc -->
-        <maven.compiler.release>8</maven.compiler.release>
+        <maven.compiler.release>11</maven.compiler.release>
         <maven.deploy.skip>true</maven.deploy.skip><!-- prevent this to be deployed to maven central as "core",
         we only want submodules, see also https://stackoverflow.com/questions/7446599/how-to-deploy-only-the-sub-modules-using-maven-deploy-->
 
@@ -247,7 +247,7 @@
                         <configuration>
                             <toolchains>
                                 <jdk>
-                                    <version>8</version>
+                                    <version>11</version>
                                     <vendor>adopt</vendor>
                                 </jdk>
                             </toolchains>

validator/src/main/java/org/mustangproject/validator/PDFValidator.java

@@ -200,7 +200,7 @@ public class PDFValidator extends Validator {
 				for (int i = 0; i < nodes.getLength(); i++) {
 					Node item = nodes.item(i);
 					String textContent = item.getTextContent();
-					if (textContent != null && new HashSet<>(Arrays.asList("INVOICE", "ORDER", "ORDER_RESPONSE", "ORDER_CHANGE").contains(textContent)) {
+					if (textContent != null && Set.of("INVOICE", "ORDER", "ORDER_RESPONSE", "ORDER_CHANGE").contains(textContent)) {
 						documentTypeValid = true;
 					}
 				}

validator/src/main/java/org/mustangproject/validator/XMLValidator.java

@@ -227,7 +227,7 @@ public class XMLValidator extends Validator {
 					if (isBasicWithoutLines) {
 						isBasic = false;// basicwl also contains the string basic...
 					}
-					isEN16931 = new HashSet<>(Arrays.asList(
+					isEN16931 = Set.of(
 							"urn:cen.eu:en16931:2017:compliant:factur-x.eu:1p0:en16931",
 							"urn:cen.eu:en16931:2017"
 						)
@@ -297,7 +297,7 @@ public class XMLValidator extends Validator {
 						//validateSchema(zfXML.getBytes(StandardCharsets.UTF_8), "ZF_211/EN16931/FACTUR-X_EN16931.xsd", 18, EPart.fx);
 						String xrVersion = contextProfile.substring(contextProfile.length() - 3).replace(".", "");
 						
-						Set<String> supportedVersions = new HashSet<>(Arrays.asList("12", "20", "21", "22", "23", "30");
+						Set<String> supportedVersions = Set.of("12", "20", "21", "22", "23", "30");
 						if (!supportedVersions.contains(xrVersion)) {
 							throw new Exception("Unsupported XR version");
 						}
@@ -311,7 +311,7 @@ public class XMLValidator extends Validator {
 				} else if ("CrossIndustryDocument".equalsIgnoreCase(rootLocalName)) { // ZUGFeRD 1.0
 					context.setGeneration("1");
 					//
-					Set<String> validZF1Profiles = new HashSet<>(Arrays.asList(
+					Set<String> validZF1Profiles = Set.of(
 						"urn:ferd:CrossIndustryDocument:invoice:1p0:basic",
 						"urn:ferd:CrossIndustryDocument:invoice:1p0:comfort",
 						"urn:ferd:CrossIndustryDocument:invoice:1p0:extended"
@@ -329,7 +329,7 @@ public class XMLValidator extends Validator {
 				if ("CII".equals(context.getFormat())) {
 
 					if ("2".equals(context.getGeneration())) {
-						Set<String> validZF2Profiles = new HashSet<>(Arrays.asList(
+						Set<String> validZF2Profiles = Set.of(
 							"urn:factur-x.eu:1p0:minimum",
 							"urn:zugferd.de:2p0:minimum",
 							"urn:factur-x.eu:1p0:basicwl",
@@ -346,7 +346,7 @@ public class XMLValidator extends Validator {
 					} else /** v1 */ {
 						if (isOrderX) {
 							//order-x 1.0
-							if(new HashSet<>(Arrays.asList(
+							if(Set.of(
 								"urn:order-x.eu:1p0:basic",
 								"urn:order-x.eu:1p0:comfort",
 								"urn:order-x.eu:1p0:extended"
@@ -354,7 +354,7 @@ public class XMLValidator extends Validator {
 								addUnsupportedProfileResultItem();
 							}
 
-						} else if (new HashSet<>(Arrays.asList(
+						} else if (Set.of(
 							"urn:ferd:CrossIndustryDocument:invoice:1p0:basic",
 							"urn:ferd:CrossIndustryDocument:invoice:1p0:comfort",
 							"urn:ferd:CrossIndustryDocument:invoice:1p0:extended"

validator/src/test/java/org/mustangproject/validator/XMLValidatorTest.java

@@ -4,6 +4,7 @@ import java.io.File;
 
 import javax.xml.transform.Source;
 
+import org.junit.Test;
 import org.xmlunit.builder.Input;
 import org.xmlunit.xpath.JAXPXPathEngine;
 import org.xmlunit.xpath.XPathEngine;
@@ -459,6 +460,24 @@ public class XMLValidatorTest extends ResourceCase {
 			// ignore, will be in XML output anyway
 		}
 
+		xv.context.clear();
+		tempFile = getResourceAsFile("X03_01_Abschlagsrechnung_SubInvoiceLine_u_LV_Nr.xml");
+		try {
+			xv.setFilename(tempFile.getAbsolutePath());
+			xv.validate();
+
+			String s = "<validation>" + xv.getXMLResult() + "</validation>";
+			// hierarchy mismatch should produce at least one warning
+			assertThat(s).valueByXPath("count(//warning)")
+				.asInt()
+				.isEqualTo(0);
+
+		} catch (final IrrecoverableValidationError e) {
+			// ignore, will be in XML output anyway
+		}
+
+
+
 	}
 
 }

validator/src/test/resources/X03_01_Abschlagsrechnung_SubInvoiceLine_u_LV_Nr.xml

@@ -0,0 +1,466 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<!--English disclaimer below.-->
+<!--
+Nutzungsrechte 
+ZUGFeRD Datenformat Version 2.4.0, 29.10.2025
+Beispiel Version 29.10.2025
+ 
+Zweck des Forums elektronisch Rechnung Deutschland, welches am 31. März 2010 unter der Arbeitsgemeinschaft für 
+wirtschaftliche Verwaltung e. V. gegründet wurde, ist u. a. die Schaffung und Spezifizierung eines offenen Datenformats 
+für strukturierten elektronischen Datenaustausch auf der Grundlage offener und nicht diskriminierender, standardisierter 
+Technologien („ZUGFeRD Datenformat“).
+ 
+Das ZUGFeRD Datenformat wird nach Maßgabe des FeRD sowohl Unternehmen als auch der öffentlichen Verwaltung 
+frei zugänglich gemacht. Hierfür bietet FeRD allen Unternehmen und Organisationen der öffentlichen Verwaltung eine 
+Lizenz für die Nutzung des urheberrechtlich geschützten ZUGFeRD-Datenformats zu fairen, sachgerechten und nicht 
+diskriminierenden Bedingungen an.
+ 
+Die Spezifikation des FeRD zur Implementierung des ZUGFeRD Datenformats ist in ihrer jeweils geltenden Fassung 
+abrufbar unter www.ferd-net.de.
+ 
+Im Einzelnen schließt die Nutzungsgewährung ein: 
+=====================================
+ 
+FeRD räumt eine Lizenz für die Nutzung des urheberrechtlich geschützten ZUGFeRD Datenformats in der jeweils 
+geltenden und akzeptierten Fassung (www.ferd-net.de) ein. 
+Die Lizenz beinhaltet ein unwiderrufliches Nutzungsrecht einschließlich des Rechts der Weiterentwicklung, 
+Weiterbearbeitung und Verbindung mit anderen Produkten.
+Die Lizenz gilt insbesondere für die Entwicklung, die Gestaltung, die Herstellung, den Verkauf, die Nutzung oder 
+anderweitige Verwendung des ZUGFeRD Datenformats für Hardware- und/oder Softwareprodukte sowie sonstige 
+Anwendungen und Dienste. 
+Diese Lizenz schließt nicht die wesentlichen Patente der Mitglieder von FeRD ein. Als wesentliche Patente sind Patente 
+und Patentanmeldungen weltweit zu verstehen, die einen oder mehrere Patentansprüche beinhalten, bei denen es sich um 
+notwendige Ansprüche handelt. Notwendige Ansprüche sind lediglich jene Ansprüche der Wesentlichen Patente, die durch 
+die Implementierung des ZUGFeRD Datenformats notwendigerweise verletzt würden. 
+Der Lizenznehmer ist berechtigt, seinen jeweiligen Konzerngesellschaften ein unbefristetes, weltweites, nicht übertragbares, 
+unwiderrufliches Nutzungsrecht einschließlich des Rechts der Weiterentwicklung, Weiterbearbeitung und Verbindung mit 
+anderen Produkten einzuräumen. 
+ 
+Die Lizenz wird kostenfrei zur Verfügung gestellt. 
+ 
+Außer im Falle vorsätzlichen Verschuldens oder grober Fahrlässigkeit haftet FeRD weder für Nutzungsausfall, entgangenen 
+Gewinn, Datenverlust, Kommunikationsverlust, Einnahmeausfall, Vertragseinbußen, Geschäftsausfall oder für Kosten, 
+Schäden, Verluste oder Haftpflichten im Zusammenhang mit einer Unterbrechung der Geschäftstätigkeit, noch für konkrete, 
+beiläufig entstandene, mittelbare Schäden, Straf- oder Folgeschäden und zwar auch dann nicht, wenn die Möglichkeit der 
+Kosten, Verluste bzw. Schäden hätte normalerweise vorhergesehen werden können.
+-->
+<!--
+Right of use 
+ZUGFeRD Data format version 2.4.0, October 29th, 2025
+ 
+The purpose of the Forum elektronische Rechnung Deutschland (FeRD), which was founded on March 31, 2010 under the 
+umbrella of Arbeitsgemeinschaft für wirtschaftliche Verwaltung e. V., is, among other things, to create and specify an 
+open data format for structured electronic data exchange on the basis of open and non discriminatory, standardised 
+technologies ("ZUGFeRD data format").
+ 
+The ZUGFeRD data format is used by both companies and public administration according to the FeRD 
+made freely accessible. For this purpose FeRD offers all companies and organisations of the public administration a 
+License to use the copyrighted ZUGFeRD data format in a fair, appropriate and non 
+discriminatory conditions.
+ 
+The specification of the FeRD for the implementation of the ZUGFeRD data format is, in its currently valid version 
+available at www.ferd-net.de.
+ 
+In detail, the grant of use includes 
+=====================================
+ 
+FeRD grants a license for the use of the copyrighted ZUGFeRD data format in the respective 
+valid and accepted version (www.ferd-net.de). 
+The license includes an irrevocable right of use including the right of further development, 
+Further processing and connection with other products.
+The license applies in particular to the development, design, production, sale, use or 
+other use of the ZUGFeRD data format for hardware and/or software products and other 
+applications and services. 
+This license does not include the essential patents of the members of FeRD. The essential patents are patents 
+and patent applications worldwide which contain one or more claims that are 
+necessary claims. Necessary claims are only those claims of the essential patents which are 
+the implementation of the ZUGFeRD data format would necessarily be violated. 
+The Licensee is entitled to provide its respective group companies with an unlimited, worldwide, non-transferable, 
+irrevocable right of use including the right of further development, further processing and connection with 
+other products. 
+ 
+The license is provided free of charge. 
+ 
+Except in the case of intentional fault or gross negligence, FeRD is not liable for loss of use, loss of 
+Profit, loss of data, loss of communication, loss of revenue, loss of contracts, loss of business or for costs 
+damages, losses or liabilities in connection with an interruption of business, nor for concrete, 
+incidental, indirect, punitive or consequential damages, even if the possibility of 
+costs, losses or damages could normally have been foreseen.
+-->
+<rsm:CrossIndustryInvoice xmlns:a="urn:un:unece:uncefact:data:standard:QualifiedDataType:100" xmlns:rsm="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100" xmlns:qdt="urn:un:unece:uncefact:data:standard:QualifiedDataType:100" xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:udt="urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100">
+  <rsm:ExchangedDocumentContext>
+    <ram:GuidelineSpecifiedDocumentContextParameter>
+      <ram:ID>urn:cen.eu:en16931:2017#conformant#urn:factur-x.eu:1p0:extended</ram:ID>
+    </ram:GuidelineSpecifiedDocumentContextParameter>
+  </rsm:ExchangedDocumentContext>
+  <rsm:ExchangedDocument>
+    <ram:ID>210111 mit LV</ram:ID>
+    <ram:TypeCode>875</ram:TypeCode>
+    <ram:IssueDateTime>
+      <udt:DateTimeString format="102">20260530</udt:DateTimeString>
+    </ram:IssueDateTime>
+    <ram:IncludedNote>
+      <ram:Content>1. Abschlagsrechnung</ram:Content>
+      <ram:SubjectCode>ACB</ram:SubjectCode>
+    </ram:IncludedNote>
+    <ram:IncludedNote>
+      <ram:Content>Geschäftsführer: Herr Geschäftsführer , Muster Bau GmbH etc.</ram:Content>
+      <ram:SubjectCode>REG</ram:SubjectCode>
+    </ram:IncludedNote>
+    <ram:IncludedNote>
+      <ram:Content>Es bestehen Vereinbarungen, aus denen sich Minderungen des Entgelts ergeben können.</ram:Content>
+      <ram:SubjectCode>AAI</ram:SubjectCode>
+    </ram:IncludedNote>
+    <ram:IncludedNote>
+      <ram:Content>ZUGFeRD vers 2.4.0 Extended</ram:Content>
+      <ram:SubjectCode>ACB</ram:SubjectCode>
+    </ram:IncludedNote>
+    <ram:IncludedNote>
+      <ram:Content>Dies ist eine Beispiel-Rechnung zur Darstellung einer  Bau-Abschlags-Rechnung mit Sub-Invoice-Lines und Leistungsverzeichnis-Bezug je Position</ram:Content>
+      <ram:SubjectCode>ACB</ram:SubjectCode>
+    </ram:IncludedNote>
+    <ram:IncludedNote>
+      <ram:Content>Betreff zum LV für eine Kurzinformation zum Bauvorhaben BT-22</ram:Content>
+      <ram:SubjectCode>ACB</ram:SubjectCode>
+    </ram:IncludedNote>
+    <ram:IncludedNote>
+      <ram:Content>Kopftext für zusätzliche Beschreibungen zur Rechnung. Z.B. als Anschreiben für die Rechnung BT-22</ram:Content>
+      <ram:SubjectCode>ACB</ram:SubjectCode>
+    </ram:IncludedNote>
+    <ram:IncludedNote>
+      <ram:Content>ergänzneder Fußtext für die Rechnung mit zusätzlichen Angaben. Z.B: Ist kein gesondertes Lieferdatum angegeben, entspricht das Rechnungsdatum dem Datum der Lieferung und Leistung</ram:Content>
+      <ram:SubjectCode>ACB</ram:SubjectCode>
+    </ram:IncludedNote>
+    <ram:IncludedNote>
+      <ram:Content>freier Text zur Rechnung BT-22</ram:Content>
+      <ram:SubjectCode>ACB</ram:SubjectCode>
+    </ram:IncludedNote>
+  </rsm:ExchangedDocument>
+  <rsm:SupplyChainTradeTransaction>
+    <ram:IncludedSupplyChainTradeLineItem>
+      <ram:AssociatedDocumentLineDocument>
+        <ram:LineID>01.01</ram:LineID>
+        <ram:ParentLineID>01</ram:ParentLineID>
+        <ram:LineStatusReasonCode>GROUP</ram:LineStatusReasonCode>
+      </ram:AssociatedDocumentLineDocument>
+      <ram:SpecifiedTradeProduct>
+        <ram:Name>Baugelände abräumen Anfallender Schutt, Pflanzenreste und Müll entsorgen</ram:Name>
+      </ram:SpecifiedTradeProduct>
+     <!-- <ram:SpecifiedLineTradeAgreement>
+        <ram:NetPriceProductTradePrice>
+          <ram:ChargeAmount>7.00</ram:ChargeAmount>
+        </ram:NetPriceProductTradePrice>
+      </ram:SpecifiedLineTradeAgreement>
+      <ram:SpecifiedLineTradeDelivery>
+        <ram:BilledQuantity unitCode="H87">300.00</ram:BilledQuantity>
+      </ram:SpecifiedLineTradeDelivery> -->
+      <ram:SpecifiedLineTradeSettlement>
+        
+        <ram:SpecifiedTradeSettlementLineMonetarySummation>
+          <ram:LineTotalAmount>2100.00</ram:LineTotalAmount>
+        </ram:SpecifiedTradeSettlementLineMonetarySummation>
+      </ram:SpecifiedLineTradeSettlement>
+    </ram:IncludedSupplyChainTradeLineItem>
+    <ram:IncludedSupplyChainTradeLineItem>
+      <ram:AssociatedDocumentLineDocument>
+        <ram:LineID>01.01.01</ram:LineID>
+        <ram:ParentLineID>01.01</ram:ParentLineID>
+        <ram:LineStatusReasonCode>DETAIL</ram:LineStatusReasonCode>
+      </ram:AssociatedDocumentLineDocument>
+      <ram:SpecifiedTradeProduct>
+        <ram:Name>Baugelände abräumen</ram:Name>
+      </ram:SpecifiedTradeProduct>
+      <ram:SpecifiedLineTradeAgreement>
+        <ram:AdditionalReferencedDocument>
+          <ram:IssuerAssignedID>LV 1.1.1.1.1.</ram:IssuerAssignedID>
+          <ram:LineID>LV_01.01.01</ram:LineID>
+          <ram:TypeCode>130</ram:TypeCode>
+          <ram:Name>Leistungsverzeichnis</ram:Name>
+          <ram:ReferenceTypeCode>BD</ram:ReferenceTypeCode>
+        </ram:AdditionalReferencedDocument>
+        <ram:NetPriceProductTradePrice>
+          <ram:ChargeAmount>7.00</ram:ChargeAmount>
+        </ram:NetPriceProductTradePrice>
+      </ram:SpecifiedLineTradeAgreement>
+      <ram:SpecifiedLineTradeDelivery>
+        <ram:BilledQuantity unitCode="H87">100.00</ram:BilledQuantity>
+      </ram:SpecifiedLineTradeDelivery>
+      <ram:SpecifiedLineTradeSettlement>
+        <ram:ApplicableTradeTax>
+          <ram:TypeCode>VAT</ram:TypeCode>
+          <ram:CategoryCode>S</ram:CategoryCode>
+          <ram:RateApplicablePercent>19.00</ram:RateApplicablePercent>
+        </ram:ApplicableTradeTax>
+        <ram:SpecifiedTradeSettlementLineMonetarySummation>
+          <ram:LineTotalAmount>700.00</ram:LineTotalAmount>
+        </ram:SpecifiedTradeSettlementLineMonetarySummation>
+      </ram:SpecifiedLineTradeSettlement>
+    </ram:IncludedSupplyChainTradeLineItem>
+    <ram:IncludedSupplyChainTradeLineItem>
+      <ram:AssociatedDocumentLineDocument>
+        <ram:LineID>01.01.02</ram:LineID>
+        <ram:ParentLineID>01.01</ram:ParentLineID>
+        <ram:LineStatusReasonCode>DETAIL</ram:LineStatusReasonCode>
+      </ram:AssociatedDocumentLineDocument>
+      <ram:SpecifiedTradeProduct>
+        <ram:Name>Anfallender Pflanzenreste entsorgen</ram:Name>
+      </ram:SpecifiedTradeProduct>
+      <ram:SpecifiedLineTradeAgreement>
+        <ram:AdditionalReferencedDocument>
+          <ram:IssuerAssignedID>LV 1.1.1.1.1.</ram:IssuerAssignedID>
+          <ram:LineID>LV01.01.02</ram:LineID>
+          <ram:TypeCode>130</ram:TypeCode>
+          <ram:Name>Leistungsverzeichnis</ram:Name>
+          <ram:ReferenceTypeCode>BD</ram:ReferenceTypeCode>
+        </ram:AdditionalReferencedDocument>
+        <ram:NetPriceProductTradePrice>
+          <ram:ChargeAmount>7.00</ram:ChargeAmount>
+        </ram:NetPriceProductTradePrice>
+      </ram:SpecifiedLineTradeAgreement>
+      <ram:SpecifiedLineTradeDelivery>
+        <ram:BilledQuantity unitCode="H87">100.00</ram:BilledQuantity>
+      </ram:SpecifiedLineTradeDelivery>
+      <ram:SpecifiedLineTradeSettlement>
+        <ram:ApplicableTradeTax>
+          <ram:TypeCode>VAT</ram:TypeCode>
+          <ram:CategoryCode>S</ram:CategoryCode>
+          <ram:RateApplicablePercent>19.00</ram:RateApplicablePercent>
+        </ram:ApplicableTradeTax>
+        <ram:SpecifiedTradeSettlementLineMonetarySummation>
+          <ram:LineTotalAmount>700.00</ram:LineTotalAmount>
+        </ram:SpecifiedTradeSettlementLineMonetarySummation>
+      </ram:SpecifiedLineTradeSettlement>
+    </ram:IncludedSupplyChainTradeLineItem>
+    <ram:IncludedSupplyChainTradeLineItem>
+      <ram:AssociatedDocumentLineDocument>
+        <ram:LineID>01.01.03</ram:LineID>
+        <ram:ParentLineID>01.01</ram:ParentLineID>
+        <ram:LineStatusReasonCode>DETAIL</ram:LineStatusReasonCode>
+      </ram:AssociatedDocumentLineDocument>
+      <ram:SpecifiedTradeProduct>
+        <ram:Name>Müll entsorgen</ram:Name>
+      </ram:SpecifiedTradeProduct>
+      <ram:SpecifiedLineTradeAgreement>
+        <ram:AdditionalReferencedDocument>
+          <ram:IssuerAssignedID>LV 1.1.1.1.1.</ram:IssuerAssignedID>
+          <ram:LineID>LV01.01.03</ram:LineID>
+          <ram:TypeCode>130</ram:TypeCode>
+          <ram:Name>Leistungsverzeichnis</ram:Name>
+          <ram:ReferenceTypeCode>BD</ram:ReferenceTypeCode>
+        </ram:AdditionalReferencedDocument>
+        <ram:NetPriceProductTradePrice>
+          <ram:ChargeAmount>7.00</ram:ChargeAmount>
+        </ram:NetPriceProductTradePrice>
+      </ram:SpecifiedLineTradeAgreement>
+      <ram:SpecifiedLineTradeDelivery>
+        <ram:BilledQuantity unitCode="H87">100.00</ram:BilledQuantity>
+      </ram:SpecifiedLineTradeDelivery>
+      <ram:SpecifiedLineTradeSettlement>
+        <ram:ApplicableTradeTax>
+          <ram:TypeCode>VAT</ram:TypeCode>
+          <ram:CategoryCode>S</ram:CategoryCode>
+          <ram:RateApplicablePercent>19.00</ram:RateApplicablePercent>
+        </ram:ApplicableTradeTax>
+        <ram:SpecifiedTradeSettlementLineMonetarySummation>
+          <ram:LineTotalAmount>700.00</ram:LineTotalAmount>
+        </ram:SpecifiedTradeSettlementLineMonetarySummation>
+      </ram:SpecifiedLineTradeSettlement>
+    </ram:IncludedSupplyChainTradeLineItem>
+    <ram:IncludedSupplyChainTradeLineItem>
+      <ram:AssociatedDocumentLineDocument>
+        <ram:LineID>01.02</ram:LineID>
+        <ram:ParentLineID>01</ram:ParentLineID>
+        <ram:LineStatusReasonCode>DETAIL</ram:LineStatusReasonCode>
+      </ram:AssociatedDocumentLineDocument>
+      <ram:SpecifiedTradeProduct>
+        <ram:Name>Pflasterfläche vorbereiten, Planum herstellen und verdichten</ram:Name>
+      </ram:SpecifiedTradeProduct>
+      <ram:SpecifiedLineTradeAgreement>
+        <ram:NetPriceProductTradePrice>
+          <ram:ChargeAmount>6.00</ram:ChargeAmount>
+        </ram:NetPriceProductTradePrice>
+      </ram:SpecifiedLineTradeAgreement>
+      <ram:SpecifiedLineTradeDelivery>
+        <ram:BilledQuantity unitCode="MTK">250.00</ram:BilledQuantity>
+      </ram:SpecifiedLineTradeDelivery>
+      <ram:SpecifiedLineTradeSettlement>
+        <ram:ApplicableTradeTax>
+          <ram:TypeCode>VAT</ram:TypeCode>
+          <ram:CategoryCode>S</ram:CategoryCode>
+          <ram:RateApplicablePercent>19.00</ram:RateApplicablePercent>
+        </ram:ApplicableTradeTax>
+        <ram:SpecifiedTradeSettlementLineMonetarySummation>
+          <ram:LineTotalAmount>1500.00</ram:LineTotalAmount>
+        </ram:SpecifiedTradeSettlementLineMonetarySummation>
+      </ram:SpecifiedLineTradeSettlement>
+    </ram:IncludedSupplyChainTradeLineItem>
+    <ram:IncludedSupplyChainTradeLineItem>
+      <ram:AssociatedDocumentLineDocument>
+        <ram:LineID>01</ram:LineID>
+        <ram:LineStatusReasonCode>GROUP</ram:LineStatusReasonCode>
+      </ram:AssociatedDocumentLineDocument>
+      <ram:SpecifiedTradeProduct>
+        <ram:Name>Summe 01 Bauabschnitt 1 - Vorarbeiten</ram:Name>
+      </ram:SpecifiedTradeProduct>
+      <ram:SpecifiedLineTradeAgreement>
+        <ram:BuyerOrderReferencedDocument>
+          <ram:LineID>000001</ram:LineID>
+        </ram:BuyerOrderReferencedDocument>
+		</ram:SpecifiedLineTradeAgreement>
+      <!--  <ram:NetPriceProductTradePrice>
+          <ram:ChargeAmount>3600</ram:ChargeAmount>
+          <ram:BasisQuantity unitCode="H87">1.0000</ram:BasisQuantity>
+        </ram:NetPriceProductTradePrice>
+      </ram:SpecifiedLineTradeAgreement>
+      <ram:SpecifiedLineTradeDelivery>
+        <ram:BilledQuantity unitCode="H87">1.00</ram:BilledQuantity>
+      </ram:SpecifiedLineTradeDelivery> -->
+      <ram:SpecifiedLineTradeSettlement>
+        
+        <ram:SpecifiedTradeSettlementLineMonetarySummation>
+          <ram:LineTotalAmount>3600.00</ram:LineTotalAmount>
+        </ram:SpecifiedTradeSettlementLineMonetarySummation>
+      </ram:SpecifiedLineTradeSettlement>
+    </ram:IncludedSupplyChainTradeLineItem>
+    <ram:ApplicableHeaderTradeAgreement>
+      <ram:BuyerReference>Kundenref. BT-10</ram:BuyerReference>
+      <ram:SellerTradeParty>
+        <ram:ID>998877</ram:ID>
+        <ram:Name>Musterbetrieb AG Demodaten</ram:Name>
+        <ram:SpecifiedLegalOrganization>
+          <ram:ID>HRA 45678</ram:ID>
+        </ram:SpecifiedLegalOrganization>
+        <ram:DefinedTradeContact>
+          <ram:PersonName>Kontaktperson</ram:PersonName>
+          <ram:TelephoneUniversalCommunication>
+            <ram:CompleteNumber>5578</ram:CompleteNumber>
+          </ram:TelephoneUniversalCommunication>
+          <ram:EmailURIUniversalCommunication>
+            <ram:URIID>absender@musterberieb.de</ram:URIID>
+          </ram:EmailURIUniversalCommunication>
+        </ram:DefinedTradeContact>
+        <ram:PostalTradeAddress>
+          <ram:PostcodeCode>37079</ram:PostcodeCode>
+          <ram:LineOne>August-Spindler-Strasse 222</ram:LineOne>
+          <ram:CityName>Göttingen</ram:CityName>
+          <ram:CountryID>DE</ram:CountryID>
+        </ram:PostalTradeAddress>
+        <ram:SpecifiedTaxRegistration>
+          <ram:ID schemeID="VA">DE727081482</ram:ID>
+        </ram:SpecifiedTaxRegistration>
+      </ram:SellerTradeParty>
+      <ram:BuyerTradeParty>
+        <ram:ID>330145</ram:ID>
+        <ram:Name>Auftraggeber Firmenkunde GmbH</ram:Name>
+        <ram:DefinedTradeContact>
+          <ram:PersonName>Herr Thomas Auftraggeber</ram:PersonName>
+          <ram:TelephoneUniversalCommunication>
+            <ram:CompleteNumber>+49 321 456789</ram:CompleteNumber>
+          </ram:TelephoneUniversalCommunication>
+          <ram:EmailURIUniversalCommunication>
+            <ram:URIID>thomas.auftraggeber@Firmenkunde.de</ram:URIID>
+          </ram:EmailURIUniversalCommunication>
+        </ram:DefinedTradeContact>
+        <ram:PostalTradeAddress>
+          <ram:PostcodeCode>37073</ram:PostcodeCode>
+          <ram:LineOne>Gartenstraße 1212</ram:LineOne>
+          <ram:CityName>Göttingen</ram:CityName>
+          <ram:CountryID>DE</ram:CountryID>
+        </ram:PostalTradeAddress>
+        <ram:SpecifiedTaxRegistration>
+          <ram:ID schemeID="VA">DE106008386</ram:ID>
+        </ram:SpecifiedTaxRegistration>
+      </ram:BuyerTradeParty>
+      <ram:SellerOrderReferencedDocument>
+        <ram:IssuerAssignedID>G12042-1-01</ram:IssuerAssignedID>
+      </ram:SellerOrderReferencedDocument>
+      <ram:BuyerOrderReferencedDocument>
+        <ram:IssuerAssignedID>BT-13</ram:IssuerAssignedID>
+      </ram:BuyerOrderReferencedDocument>
+      <ram:ContractReferencedDocument>
+        <ram:IssuerAssignedID>Vertragsnr. BT-12</ram:IssuerAssignedID>
+      </ram:ContractReferencedDocument>
+      <ram:AdditionalReferencedDocument>
+        <ram:IssuerAssignedID>Vergabenr. BT-17</ram:IssuerAssignedID>
+        <ram:TypeCode>50</ram:TypeCode>
+      </ram:AdditionalReferencedDocument>
+      <ram:SpecifiedProcuringProject>
+        <ram:ID>Projektnr. BT-11</ram:ID>
+        <ram:Name>Project reference</ram:Name>
+      </ram:SpecifiedProcuringProject>
+    </ram:ApplicableHeaderTradeAgreement>
+    <ram:ApplicableHeaderTradeDelivery>
+      <ram:ShipToTradeParty>
+        <ram:Name>Auftraggeber Firmenkunde GmbH</ram:Name>
+        <ram:PostalTradeAddress>
+          <ram:PostcodeCode>37073</ram:PostcodeCode>
+          <ram:LineOne>Gartenstraße 1212</ram:LineOne>
+          <ram:CityName>Göttingen</ram:CityName>
+          <ram:CountryID>DE</ram:CountryID>
+        </ram:PostalTradeAddress>
+      </ram:ShipToTradeParty>
+      <ram:ActualDeliverySupplyChainEvent>
+        <ram:OccurrenceDateTime>
+          <udt:DateTimeString format="102">20260530</udt:DateTimeString>
+        </ram:OccurrenceDateTime>
+      </ram:ActualDeliverySupplyChainEvent>
+    </ram:ApplicableHeaderTradeDelivery>
+    <ram:ApplicableHeaderTradeSettlement>
+      <ram:InvoiceCurrencyCode>EUR</ram:InvoiceCurrencyCode>
+      <ram:SpecifiedTradeSettlementPaymentMeans>
+        <ram:TypeCode>58</ram:TypeCode>
+        <ram:PayeePartyCreditorFinancialAccount>
+          <ram:IBANID>DE75512108001245126199</ram:IBANID>
+          <ram:AccountName>Musterbetrieb Kontoname</ram:AccountName>
+        </ram:PayeePartyCreditorFinancialAccount>
+        <ram:PayeeSpecifiedCreditorFinancialInstitution>
+          <ram:BICID>PBNKDEFF</ram:BICID>
+        </ram:PayeeSpecifiedCreditorFinancialInstitution>
+      </ram:SpecifiedTradeSettlementPaymentMeans>
+      <ram:ApplicableTradeTax>
+        <ram:CalculatedAmount>684.00</ram:CalculatedAmount>
+        <ram:TypeCode>VAT</ram:TypeCode>
+        <ram:BasisAmount>3600.00</ram:BasisAmount>
+        <ram:CategoryCode>S</ram:CategoryCode>
+        <ram:RateApplicablePercent>19.00</ram:RateApplicablePercent>
+      </ram:ApplicableTradeTax>
+      <ram:BillingSpecifiedPeriod>
+        <ram:StartDateTime>
+          <udt:DateTimeString format="102">20260513</udt:DateTimeString>
+        </ram:StartDateTime>
+        <ram:EndDateTime>
+          <udt:DateTimeString format="102">20260530</udt:DateTimeString>
+        </ram:EndDateTime>
+      </ram:BillingSpecifiedPeriod>
+      <ram:SpecifiedTradePaymentTerms>
+        <ram:Description>Bei Zahlung bis zum 06.06.2026 zahlen Sie mit 2,50 % Skonto € 4.176,90</ram:Description>
+        <ram:DueDateDateTime>
+          <udt:DateTimeString format="102">20260606</udt:DateTimeString>
+        </ram:DueDateDateTime>
+        <ram:ApplicableTradePaymentDiscountTerms>
+          <ram:BasisAmount>4284.00</ram:BasisAmount>
+          <ram:CalculationPercent>2.5</ram:CalculationPercent>
+        </ram:ApplicableTradePaymentDiscountTerms>
+      </ram:SpecifiedTradePaymentTerms>
+      <ram:SpecifiedTradePaymentTerms>
+        <ram:Description>Bis zum zum 13.06.2026 ohne Abzug</ram:Description>
+        <ram:DueDateDateTime>
+          <udt:DateTimeString format="102">20260613</udt:DateTimeString>
+        </ram:DueDateDateTime>
+      </ram:SpecifiedTradePaymentTerms>
+      <ram:SpecifiedTradeSettlementHeaderMonetarySummation>
+        <ram:LineTotalAmount>3600.00</ram:LineTotalAmount>
+        <ram:ChargeTotalAmount>0.00</ram:ChargeTotalAmount>
+        <ram:AllowanceTotalAmount>0.00</ram:AllowanceTotalAmount>
+        <ram:TaxBasisTotalAmount>3600.00</ram:TaxBasisTotalAmount>
+        <ram:TaxTotalAmount currencyID="EUR">684.00</ram:TaxTotalAmount>
+        <ram:GrandTotalAmount>4284.00</ram:GrandTotalAmount>
+        <ram:TotalPrepaidAmount>0.00</ram:TotalPrepaidAmount>
+        <ram:DuePayableAmount>4284.00</ram:DuePayableAmount>
+      </ram:SpecifiedTradeSettlementHeaderMonetarySummation>
+      <ram:ReceivableSpecifiedTradeAccountingAccount>
+        <ram:ID>Kostenstelle BT-19</ram:ID>
+      </ram:ReceivableSpecifiedTradeAccountingAccount>
+    </ram:ApplicableHeaderTradeSettlement>
+  </rsm:SupplyChainTradeTransaction>
+</rsm:CrossIndustryInvoice>