diff --git a/History.md b/History.md
index a6893ccf..8cd80acb 100644
--- a/History.md
+++ b/History.md
@@ -1,6 +1,8 @@
 2.4.1
 =======
 
+DespatchAdviceReferencedDocument/IssuerAssignedID
+
 - allow to specify legalorganisation ID+scheme ID
 - allow to specify additional files to be attached in command line
 - update to zf 2.2
diff --git a/library/src/main/java/org/mustangproject/Invoice.java b/library/src/main/java/org/mustangproject/Invoice.java
index 442aebeb..038020a4 100644
--- a/library/src/main/java/org/mustangproject/Invoice.java
+++ b/library/src/main/java/org/mustangproject/Invoice.java
@@ -56,8 +56,9 @@ public class Invoice implements IExportableTransaction {
 	protected Date invoiceReferencedIssueDate;
 	protected String specifiedProcuringProjectID = null;
 	protected String specifiedProcuringProjectName = null;
+	protected String despatchAdviceReferencedDocumentID = null;
 
-  public Invoice() {
+	public Invoice() {
 		ZFItems = new ArrayList<>();
 		setCurrency("EUR");
 	}
@@ -667,6 +668,18 @@ public class Invoice implements IExportableTransaction {
 		return this;
 	}
 
+	@Override
+	public String getDespatchAdviceReferencedDocumentID() {
+		return despatchAdviceReferencedDocumentID;
+	}
+
+
+	public Invoice setDespatchAdviceReferencedDocumentID(String despatchAdviceReferencedDocumentID) {
+		this.despatchAdviceReferencedDocumentID = despatchAdviceReferencedDocumentID;
+		return this;
+	}
+
+
 	@Override
 	public String getSpecifiedProcuringProjectName() {
 		return specifiedProcuringProjectName;
diff --git a/library/src/main/java/org/mustangproject/ZUGFeRD/IExportableTransaction.java b/library/src/main/java/org/mustangproject/ZUGFeRD/IExportableTransaction.java
index 1ce056e6..18a512af 100644
--- a/library/src/main/java/org/mustangproject/ZUGFeRD/IExportableTransaction.java
+++ b/library/src/main/java/org/mustangproject/ZUGFeRD/IExportableTransaction.java
@@ -481,7 +481,9 @@ public interface IExportableTransaction  {
 		return null;
 	}
 
-
+	default String getDespatchAdviceReferencedDocumentID() {
+		return null;
+	}
 	/***
 	 * additional text description
 	 * @return an array of strings of document wide "includedNotes" (descriptive text values)
diff --git a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java
index 17248b92..f10abe4b 100644
--- a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java
+++ b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java
@@ -512,16 +512,23 @@ public class ZUGFeRD2PullProvider implements IXMLProvider {
 			throw new IllegalStateException("No delivery date provided");
 		}
 		xml += "</ram:OccurrenceDateTime>\n";
-		xml += "			</ram:ActualDeliverySupplyChainEvent>\n"
+		xml += "            </ram:ActualDeliverySupplyChainEvent>\n";
+
 				/*
-				 * + "			<DeliveryNoteReferencedDocument>\n" +
-				 * "				<IssueDateTime format=\"102\">20130603</IssueDateTime>\n" +
-				 * "				<ID>2013-51112</ID>\n" +
-				 * "			</DeliveryNoteReferencedDocument>\n"
+				 * + "            <DeliveryNoteReferencedDocument>\n" +
+				 * "                <IssueDateTime format=\"102\">20130603</IssueDateTime>\n" +
+				 * "                <ID>2013-51112</ID>\n" +
+				 * "            </DeliveryNoteReferencedDocument>\n"
 				 */
-				+ "		</ram:ApplicableHeaderTradeDelivery>\n" + "		<ram:ApplicableHeaderTradeSettlement>\n"
-				+ "			<ram:PaymentReference>" + XMLTools.encodeXML(trans.getNumber()) + "</ram:PaymentReference>\n"
-				+ "			<ram:InvoiceCurrencyCode>" + trans.getCurrency() + "</ram:InvoiceCurrencyCode>\n";
+		if (trans.getDespatchAdviceReferencedDocumentID() != null) {
+			xml += "<ram:DespatchAdviceReferencedDocument>";
+			xml += "<ram:IssuerAssignedID>"+XMLTools.encodeXML(trans.getDespatchAdviceReferencedDocumentID())+"</ram:IssuerAssignedID>";
+			xml += "</ram:DespatchAdviceReferencedDocument>";
+
+		}
+		xml +=	  "        </ram:ApplicableHeaderTradeDelivery>\n" + "        <ram:ApplicableHeaderTradeSettlement>\n"
+				+ "            <ram:PaymentReference>" + XMLTools.encodeXML(trans.getNumber()) + "</ram:PaymentReference>\n"
+				+ "            <ram:InvoiceCurrencyCode>" + trans.getCurrency() + "</ram:InvoiceCurrencyCode>\n";
 
 		if (trans.getTradeSettlementPayment() != null) {
 			for (final IZUGFeRDTradeSettlementPayment payment : trans.getTradeSettlementPayment()) {
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java
index ee3e1d42..54891fb2 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java
@@ -257,6 +257,11 @@ public class ZF2EdgeTest extends MustangReaderTestCase implements IExportableTra
 		return "AB321";
 	}
 
+	@Override
+	public String getDespatchAdviceReferencedDocumentID() {
+		return "123";
+	}
+
 	/**
 	 * Create the test case
 	 *
@@ -311,6 +316,8 @@ public class ZF2EdgeTest extends MustangReaderTestCase implements IExportableTra
 		assertTrue(resultXML.contains("<ram:DueDateDateTime>"));
 		assertFalse(resultXML.contains("EUR"));
 		assertTrue(resultXML.contains("USD"));//currency should be USD, test for #150
+		assertTrue(resultXML.contains("<ram:DespatchAdviceReferencedDocument>"));
+		assertTrue(resultXML.contains("<ram:IssuerAssignedID>123</ram:IssuerAssignedID>"));
 
 		// Reading ZUGFeRD
 		assertEquals("496.00", zi.getAmount());