diff --git a/src/main/java/org/mustangproject/ZUGFeRD/IZUGFeRDExportableTransaction.java b/src/main/java/org/mustangproject/ZUGFeRD/IZUGFeRDExportableTransaction.java
index 03a93e7d..3be30215 100644
--- a/src/main/java/org/mustangproject/ZUGFeRD/IZUGFeRDExportableTransaction.java
+++ b/src/main/java/org/mustangproject/ZUGFeRD/IZUGFeRDExportableTransaction.java
@@ -246,4 +246,15 @@ public interface IZUGFeRDExportableTransaction {
 		return null;
 	}
 
+	/**
+	 * get the ID of the BuyerOrderReferencedDocument, which sits in the ApplicableSupplyChainTradeAgreement
+	 * @return the ID of the document
+	 */
+	default String getBuyerOrderReferencedDocumentID() { return null; }
+
+	/**
+	 * get the issue timestamp of the BuyerOrderReferencedDocument, which sits in the ApplicableSupplyChainTradeAgreement
+	 * @return the IssueDateTime in format CCYY-MM-DDTHH:MM:SS
+	 */
+	default String getBuyerOrderReferencedDocumentIssueDateTime() { return null; }
 }
diff --git a/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDTransactionModelConverter.java b/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDTransactionModelConverter.java
index 330619ee..fc20245c 100644
--- a/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDTransactionModelConverter.java
+++ b/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDTransactionModelConverter.java
@@ -31,51 +31,7 @@ import java.util.List;
 
 import javax.xml.bind.JAXBElement;
 
-import org.mustangproject.ZUGFeRD.model.AmountType;
-import org.mustangproject.ZUGFeRD.model.CodeType;
-import org.mustangproject.ZUGFeRD.model.CountryIDType;
-import org.mustangproject.ZUGFeRD.model.CreditorFinancialAccountType;
-import org.mustangproject.ZUGFeRD.model.CreditorFinancialInstitutionType;
-import org.mustangproject.ZUGFeRD.model.CrossIndustryDocumentType;
-import org.mustangproject.ZUGFeRD.model.DateTimeType;
-import org.mustangproject.ZUGFeRD.model.DateTimeTypeConstants;
-import org.mustangproject.ZUGFeRD.model.DocumentCodeType;
-import org.mustangproject.ZUGFeRD.model.DocumentContextParameterType;
-import org.mustangproject.ZUGFeRD.model.DocumentContextParameterTypeConstants;
-import org.mustangproject.ZUGFeRD.model.DocumentLineDocumentType;
-import org.mustangproject.ZUGFeRD.model.ExchangedDocumentContextType;
-import org.mustangproject.ZUGFeRD.model.ExchangedDocumentType;
-import org.mustangproject.ZUGFeRD.model.IDType;
-import org.mustangproject.ZUGFeRD.model.IndicatorType;
-import org.mustangproject.ZUGFeRD.model.LogisticsServiceChargeType;
-import org.mustangproject.ZUGFeRD.model.NoteType;
-import org.mustangproject.ZUGFeRD.model.NoteTypeConstants;
-import org.mustangproject.ZUGFeRD.model.ObjectFactory;
-import org.mustangproject.ZUGFeRD.model.PaymentMeansCodeType;
-import org.mustangproject.ZUGFeRD.model.PaymentMeansCodeTypeConstants;
-import org.mustangproject.ZUGFeRD.model.PercentType;
-import org.mustangproject.ZUGFeRD.model.QuantityType;
-import org.mustangproject.ZUGFeRD.model.SupplyChainEventType;
-import org.mustangproject.ZUGFeRD.model.SupplyChainTradeAgreementType;
-import org.mustangproject.ZUGFeRD.model.SupplyChainTradeDeliveryType;
-import org.mustangproject.ZUGFeRD.model.SupplyChainTradeLineItemType;
-import org.mustangproject.ZUGFeRD.model.SupplyChainTradeSettlementType;
-import org.mustangproject.ZUGFeRD.model.SupplyChainTradeTransactionType;
-import org.mustangproject.ZUGFeRD.model.TaxCategoryCodeType;
-import org.mustangproject.ZUGFeRD.model.TaxRegistrationType;
-import org.mustangproject.ZUGFeRD.model.TaxRegistrationTypeConstants;
-import org.mustangproject.ZUGFeRD.model.TaxTypeCodeType;
-import org.mustangproject.ZUGFeRD.model.TaxTypeCodeTypeConstants;
-import org.mustangproject.ZUGFeRD.model.TextType;
-import org.mustangproject.ZUGFeRD.model.TradeAddressType;
-import org.mustangproject.ZUGFeRD.model.TradeAllowanceChargeType;
-import org.mustangproject.ZUGFeRD.model.TradePartyType;
-import org.mustangproject.ZUGFeRD.model.TradePaymentTermsType;
-import org.mustangproject.ZUGFeRD.model.TradePriceType;
-import org.mustangproject.ZUGFeRD.model.TradeProductType;
-import org.mustangproject.ZUGFeRD.model.TradeSettlementMonetarySummationType;
-import org.mustangproject.ZUGFeRD.model.TradeSettlementPaymentMeansType;
-import org.mustangproject.ZUGFeRD.model.TradeTaxType;
+import org.mustangproject.ZUGFeRD.model.*;
 
 class ZUGFeRDTransactionModelConverter {
 	private static final SimpleDateFormat zugferdDateFormat = new SimpleDateFormat("yyyyMMdd");
@@ -200,6 +156,15 @@ class ZUGFeRDTransactionModelConverter {
 		tradeAgreement.setBuyerTradeParty(getBuyer());
 		tradeAgreement.setSellerTradeParty(getSeller());
 
+		if (trans.getBuyerOrderReferencedDocumentID() != null) {
+			ReferencedDocumentType refdoc = xmlFactory.createReferencedDocumentType();
+			IDType id = xmlFactory.createIDType();
+			id.setValue(trans.getBuyerOrderReferencedDocumentID());
+			refdoc.getID().add(id);
+			refdoc.setIssueDateTime(trans.getBuyerOrderReferencedDocumentIssueDateTime());
+			tradeAgreement.getBuyerOrderReferencedDocument().add(refdoc);
+		}
+
 		return tradeAgreement;
 	}