diff --git a/History.md b/History.md
index 4ac39713..cdd3208c 100644
--- a/History.md
+++ b/History.md
@@ -5,6 +5,13 @@
 - #729
 - #863
 - #731
+- #865
+- #849
+- #856
+- #850/#843
+- #855
+- #874
+- #876/830
 
 2.17.0
 =======
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2PushTest.java b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2PushTest.java
index ba3fff3f..fc000301 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2PushTest.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2PushTest.java
@@ -540,7 +540,7 @@ public class ZF2PushTest extends TestCase {
 					.setContractReferencedDocument(contractID)
 					.setRecipient(new TradeParty("Franz Müller", "teststr.12", "55232", "Entenhausen", "DE").addGlobalID(gln).setEmail("recipient@test.org").addVATID("DE4711")
 						.setContact(new Contact("Franz Müller", "01779999999", "franz@mueller.de", "teststr. 12", "55232", "Entenhausen", "DE").setFax("++49555123456")).setAdditionalAddress("Hinterhaus 3"))
-					.addItem(new Item(new Product("Testprodukt", "", "C62", new BigDecimal(16)).addGlobalID(gtin).setSellerAssignedID("4711"), price, new BigDecimal(1.0)).addBuyerOrderReferencedDocumentID("orderId").addBuyerOrderReferencedDocumentLineID("xxx").addReferencedLineID("xxx").addNote("item level 1/1").addAllowance(new Allowance(new BigDecimal(0.02)).setReason("item discount").setTaxPercent(new BigDecimal(16))).setDetailedDeliveryPeriod(sdf.parse("2020-01-13"), sdf.parse("2020-01-15")))
+					.addItem(new Item(new Product("Testprodukt", "", "C62", new BigDecimal(16)).addGlobalID(gtin).setSellerAssignedID("4711"), price, new BigDecimal(1.0)).setId("a123").addBuyerOrderReferencedDocumentID("orderId").addBuyerOrderReferencedDocumentLineID("xxx").addReferencedLineID("xxx").addNote("item level 1/1").addAllowance(new Allowance(new BigDecimal(0.02)).setReason("item discount").setTaxPercent(new BigDecimal(16))).setDetailedDeliveryPeriod(sdf.parse("2020-01-13"), sdf.parse("2020-01-15")))
 					.addCharge(new Charge(new BigDecimal(0.5)).setReason("quick delivery charge").setTaxPercent(new BigDecimal(16)))
 					.addAllowance(new Allowance(new BigDecimal(0.2)).setReason("discount").setTaxPercent(new BigDecimal(16)))
 					.addCashDiscount(new CashDiscount(new BigDecimal(2), 14))