diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 3760347..968a79f 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -21,7 +21,7 @@
       - DWC = AED; EUR;CHF;SEK;RUB;NOK;GBP;USD;CAD
     b) Mandant ID 
 
-  2. OP Listen Template im Textbausteein aktualisieren
+  2. OP Listen Template im Textbaustein aktualisieren
 
   3. Alle Workflow Modelle erneuern
 
diff --git a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/InvoicePlugin.java b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/InvoicePlugin.java
index 533e7fb..607ba92 100644
--- a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/InvoicePlugin.java
+++ b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/InvoicePlugin.java
@@ -6,6 +6,7 @@ import java.util.logging.Logger;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.eclipse.microprofile.config.inject.ConfigProperty;
 import org.imixs.workflow.ItemCollection;
 import org.imixs.workflow.engine.plugins.AbstractPlugin;
 import org.imixs.workflow.exceptions.PluginException;
@@ -28,7 +29,7 @@ import jakarta.inject.Inject;
  * geprüft ob die Rechnungsnummer schon einmal vorkam. Falls ja, wird eine
  * Warnung ausgegeben. Der Benutzer kann diese dann skippen.
  * <p>
- * Zusäztlich berechnet das Plugin das feld invoice.positions mit einer Value
+ * Zusätzlich berechnet das Plugin das Feld invoice.positions mit einer Value
  * liste der Positionsnummern. Dieses Feld wird indiziert, so dass gezielt nach
  * Positionsnummern gesucht werden kann.
  * <p>
@@ -51,11 +52,17 @@ public class InvoicePlugin extends AbstractPlugin {
 	public static final String ERROR_DUPPLICATE_INVOICE_NUMBER = "DUPPLICATE_INVOICE_NUMBER";
 	public static final String ERROR_NEW_IBANBIC = "NEW_IBANBIC";
 
-	// XX-YYY-####-###
-	public static final String REGEX_POSNUMER = "([A-Z]{2}-[A-Z]{3}-[0-9]{4}-[0-9]{3})";
-
 	private static Logger logger = Logger.getLogger(InvoicePlugin.class.getName());
 
+	// Positions Pattern - kann überschrieben werden
+	// Default = ([A-Z]{2}-[A-Z]{3}-[0-9]{4}-[0-9]{3})
+	// Optional = ([A-Z]{2}-(?:[A-Z]{3}|[A-Z]{6})-[0-9]{4}-[0-9]{3})
+	public final static String INVOICE_POSITIONS_PATTERN_DEFAULT = "([A-Z]{2}-(?:[A-Z]{3}|[A-Z]{6})-[0-9]{4}-[0-9]{3})";
+
+	@Inject
+	@ConfigProperty(name = "invoice.position.pattern", defaultValue = INVOICE_POSITIONS_PATTERN_DEFAULT)
+	String invoicePositionsPattern;
+
 	@Inject
 	KreditorDebitorService kreditorService;
 
@@ -129,7 +136,7 @@ public class InvoicePlugin extends AbstractPlugin {
 				}
 
 				// validate pos for regex pattern 'XX-YYY-####-###'
-				if (!posItem.getItemValueString("name").matches(REGEX_POSNUMER)) {
+				if (!posItem.getItemValueString("name").matches(invoicePositionsPattern)) {
 					// throw a plugin exception - because name is missing!
 					String message = resourceBundleHandler.findMessage("ERROR_FORMAT_POSNO");
 					message = message.replace("{1}", posItem.getItemValueString("numpos"));
diff --git a/office-alexander-logistics-app/src/test/java/com/alexanderlogistics/TestPostionsnummernRegex.java b/office-alexander-logistics-app/src/test/java/com/alexanderlogistics/TestPostionsnummernRegex.java
index 2e4cda0..2c5b604 100644
--- a/office-alexander-logistics-app/src/test/java/com/alexanderlogistics/TestPostionsnummernRegex.java
+++ b/office-alexander-logistics-app/src/test/java/com/alexanderlogistics/TestPostionsnummernRegex.java
@@ -20,15 +20,14 @@ public class TestPostionsnummernRegex {
 	@Test
 	public void testPutFileToFTP() {
 
-		Assert.assertTrue("AA-BBC-1234-991".matches(InvoicePlugin.REGEX_POSNUMER));
-		Assert.assertFalse("aa-BBC-1234-991".matches(InvoicePlugin.REGEX_POSNUMER));
-		Assert.assertFalse("CC-BBC-1234-991 ".matches(InvoicePlugin.REGEX_POSNUMER));
+		Assert.assertTrue("AA-BBC-1234-991".matches(InvoicePlugin.INVOICE_POSITIONS_PATTERN_DEFAULT));
+		Assert.assertFalse("aa-BBC-1234-991".matches(InvoicePlugin.INVOICE_POSITIONS_PATTERN_DEFAULT));
+		Assert.assertFalse("CC-BBC-1234-991 ".matches(InvoicePlugin.INVOICE_POSITIONS_PATTERN_DEFAULT));
 
-		Assert.assertTrue("IM-ZEL-2101-005".matches(InvoicePlugin.REGEX_POSNUMER));
+		Assert.assertTrue("IM-ZEL-2101-005".matches(InvoicePlugin.INVOICE_POSITIONS_PATTERN_DEFAULT));
 
 	}
 
-
 	@Test
 	public void testCargoImportText() {