diff --git a/History.md b/History.md
index 4b7d42b6..8b67d1fe 100644
--- a/History.md
+++ b/History.md
@@ -29,7 +29,9 @@ switch
 - validate as library doc
 - unify loggers
 - release notes
-- new tradeparty class, switch recipient, shipping address from contact to tradeparty
+- new tradeparty class, Contact getOwnContact superseded by TradeParty getSender
+- switch recipient, shipping address from contact to tradeparty
+- new invoicecorrection class
 
 ### 2.0 still todo
 - verapdf as prevalidation?
diff --git a/library/src/main/java/org/mustangproject/ZUGFeRD/IExportableTransaction.java b/library/src/main/java/org/mustangproject/ZUGFeRD/IExportableTransaction.java
index 76bb7e01..fdaf66a4 100644
--- a/library/src/main/java/org/mustangproject/ZUGFeRD/IExportableTransaction.java
+++ b/library/src/main/java/org/mustangproject/ZUGFeRD/IExportableTransaction.java
@@ -195,7 +195,11 @@ public interface IExportableTransaction {
 	 * @return the sender's organisation name
 	 */
 	default String getOwnOrganisationName() {
-		return null;
+		if (getSender()!=null) {
+			return getSender().getName();
+		} else {
+			return null;
+		}
 	}
 
 
@@ -205,7 +209,11 @@ public interface IExportableTransaction {
 	 * @return sender street address
 	 */
 	default String getOwnStreet() {
-		return null;
+		if (getSender()!=null) {
+			return getSender().getStreet();
+		} else {
+			return null;
+		}
 	}
 
 
@@ -215,7 +223,12 @@ public interface IExportableTransaction {
 	 * @return sender postal code
 	 */
 	default String getOwnZIP() {
-		return null;
+		if (getSender()!=null) {
+			return getSender().getZIP();
+		} else {
+			return null;
+		}
+
 	}
 
 
@@ -225,7 +238,12 @@ public interface IExportableTransaction {
 	 * @return the invoice sender's city
 	 */
 	default String getOwnLocation() {
-		return null;
+		if (getSender()!=null) {
+			return getSender().getLocation();
+		} else {
+			return null;
+		}
+
 	}
 
 
@@ -235,7 +253,12 @@ public interface IExportableTransaction {
 	 * @return the invoice senders two character country iso code
 	 */
 	default String getOwnCountry() {
-		return null;
+		if (getSender()!=null) {
+			return getSender().getCountry();
+		} else {
+			return null;
+		}
+
 	}
 
 
diff --git a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java
index 9c252217..29dcfcd3 100644
--- a/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java
+++ b/library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRD2PullProvider.java
@@ -351,7 +351,7 @@ public class ZUGFeRD2PullProvider implements IXMLProvider, IProfileProvider {
 			xml = xml + "           <ram:GlobalID schemeID=\"" + XMLTools.encodeXML(trans.getSender().getGlobalIDScheme()) + "\">"
 					  + XMLTools.encodeXML(trans.getSender().getGlobalID()) + "</ram:GlobalID>\n";
 		}
-		xml = xml + "				<ram:Name>" + XMLTools.encodeXML(trans.getOwnOrganisationName()) + "</ram:Name>\n"; //$NON-NLS-2$
+		xml = xml + "				<ram:Name>" + XMLTools.encodeXML(trans.getSender().getName()) + "</ram:Name>\n"; //$NON-NLS-2$
 
 		if ((trans.getOwnVATID()!=null)&&(trans.getOwnOrganisationName()!=null)) {
 			
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/BackwardCompatibilityTest.java b/library/src/test/java/org/mustangproject/ZUGFeRD/BackwardCompatibilityTest.java
index 026d79c9..21b9fce2 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/BackwardCompatibilityTest.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/BackwardCompatibilityTest.java
@@ -302,12 +302,17 @@ public class BackwardCompatibilityTest extends TestCase implements IExportableTr
 		return new GregorianCalendar(2019, Calendar.JUNE, 10).getTime();
 	}
 
-	
+
 
 	@Override
 	public IZUGFeRDExportableTradeParty getRecipient() {
 		return new TradeParty("name","street","zip","city","DE");
 	}
+
+	@Override
+	public IZUGFeRDExportableTradeParty getSender() {
+		return new TradeParty("Bei Spiel GmbH","street","zip","city","DE");
+	}
 	
 		
 	//
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderTestCase.java b/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderTestCase.java
index df54834b..df3cb918 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderTestCase.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderTestCase.java
@@ -86,7 +86,7 @@ public abstract class MustangReaderTestCase extends TestCase implements IExporta
 			return "88802";
 		}
 	}
-	
+
 	protected class SenderContact implements IZUGFeRDExportableContact {
 
 
@@ -108,6 +108,36 @@ public abstract class MustangReaderTestCase extends TestCase implements IExporta
 
 	}
 
+	protected class SenderTradeParty implements IZUGFeRDExportableTradeParty {
+		
+
+		@Override
+		public String getName() {
+			return "Bei Spiel GmbH";
+		}
+
+		@Override
+		public String getZIP() {
+			return "55232";
+		}
+
+		@Override
+		public String getCountry() {
+			return "DE";
+		}
+
+		@Override
+		public String getLocation() {
+			return "Stadthausen";
+		}
+
+		@Override
+		public String getStreet() {
+			return "Ecke 12";
+		}
+
+	}
+
 	protected class Item implements IZUGFeRDExportableItem {
 
 		public Item(BigDecimal price, BigDecimal quantity, IZUGFeRDExportableProduct product) {
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java b/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java
index 81816e5f..bb956282 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java
@@ -76,8 +76,8 @@ public class MustangReaderWriterEdgeTest extends MustangReaderTestCase {
 
 
 	@Override
-	public IZUGFeRDExportableContact getOwnContact() {
-		return new SenderContact();
+	public IZUGFeRDExportableTradeParty getSender() {
+		return new SenderTradeParty();
 		
 	}
 
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java b/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java
index 7a2c93df..063212f9 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java
@@ -105,8 +105,8 @@ public class MustangReaderWriterTest extends MustangReaderTestCase {
 	}
 	
 	@Override
-	public IZUGFeRDExportableContact getOwnContact() {
-		return new SenderContact();
+	public IZUGFeRDExportableTradeParty getSender() {
+		return new SenderTradeParty();
 	}
 
 	@Override
@@ -459,11 +459,11 @@ public class MustangReaderWriterTest extends MustangReaderTestCase {
 		ZUGFeRDImporter zi = new ZUGFeRDImporter(TARGET_PDF);
 
 		// Reading ZUGFeRD
-		assertEquals(zi.getAmount(), "571.04");
-		assertEquals(zi.getBIC(), getTradeSettlementPayment()[0].getOwnBIC());
-		assertEquals(zi.getIBAN(), getTradeSettlementPayment()[0].getOwnIBAN());
-		assertEquals(zi.getHolder(), getOwnOrganisationName());
-		assertEquals(zi.getForeignReference(), getNumber());
+		assertEquals("571.04", zi.getAmount());
+		assertEquals(getTradeSettlementPayment()[0].getOwnBIC(), zi.getBIC());
+		assertEquals(getTradeSettlementPayment()[0].getOwnIBAN(), zi.getIBAN());
+		assertEquals(getOwnOrganisationName(), zi.getHolder());
+		assertEquals(getNumber(), zi.getForeignReference());
 	}
 
 	public void testExceptionOnPDF14() {
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java
index 92b8daa9..1a37ae02 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java
@@ -153,8 +153,8 @@ public class ZF2EdgeTest extends MustangReaderTestCase implements IExportableTra
 	}
 
 	@Override
-	public IZUGFeRDExportableContact getOwnContact() {
-		return new SenderContact();
+	public IZUGFeRDExportableTradeParty getSender() {
+		return new SenderTradeParty();
 	}
 
 	@Override
diff --git a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2Test.java b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2Test.java
index d8431980..6ffc0768 100644
--- a/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2Test.java
+++ b/library/src/test/java/org/mustangproject/ZUGFeRD/ZF2Test.java
@@ -59,28 +59,8 @@ public class ZF2Test extends MustangReaderTestCase {
 	}
 
 	@Override
-	public String getOwnCountry() {
-		return "DE";
-	}
-
-	@Override
-	public String getOwnLocation() {
-		return "Stadthausen";
-	}
-
-	@Override
-	public String getOwnOrganisationName() {
-		return "Bei Spiel GmbH";
-	}
-
-	@Override
-	public String getOwnStreet() {
-		return "Ecke 12";
-	}
-
-	@Override
-	public IZUGFeRDExportableContact getOwnContact() {
-		return new SenderContact();
+	public IZUGFeRDExportableTradeParty getSender() {
+		return new SenderTradeParty();
 
 	}