diff --git a/org.adempiere.base/src/org/compiere/model/MAcctSchemaElement.java b/org.adempiere.base/src/org/compiere/model/MAcctSchemaElement.java
index f58bf0007c..7063e2a39e 100644
--- a/org.adempiere.base/src/org/compiere/model/MAcctSchemaElement.java
+++ b/org.adempiere.base/src/org/compiere/model/MAcctSchemaElement.java
@@ -38,7 +38,7 @@ import org.compiere.util.Msg;
  * @author victor.perez@e-evolution.com, www.e-evolution.com
  *    			<li>RF [ 2214883 ] Remove SQL code and Replace for Query http://sourceforge.net/tracker/index.php?func=detail&aid=2214883&group_id=176962&atid=879335
  */
-public final class MAcctSchemaElement extends X_C_AcctSchema_Element
+public class MAcctSchemaElement extends X_C_AcctSchema_Element
 {
 
 
diff --git a/org.adempiere.base/src/org/compiere/model/MAllocationHdr.java b/org.adempiere.base/src/org/compiere/model/MAllocationHdr.java
index 6e1faafe8e..2f0b047674 100644
--- a/org.adempiere.base/src/org/compiere/model/MAllocationHdr.java
+++ b/org.adempiere.base/src/org/compiere/model/MAllocationHdr.java
@@ -49,7 +49,7 @@ import org.compiere.util.Msg;
  *				<li>BF [ 2880182 ] Error you can allocate a payment to invoice that was paid
  *				<li> https://sourceforge.net/tracker/index.php?func=detail&aid=2880182&group_id=176962&atid=879332
 */
-public final class MAllocationHdr extends X_C_AllocationHdr implements DocAction
+public class MAllocationHdr extends X_C_AllocationHdr implements DocAction
 {
 	/**
 	 * 
diff --git a/org.adempiere.base/src/org/compiere/model/MCity.java b/org.adempiere.base/src/org/compiere/model/MCity.java
index f7e32d159c..abcc27ee4b 100644
--- a/org.adempiere.base/src/org/compiere/model/MCity.java
+++ b/org.adempiere.base/src/org/compiere/model/MCity.java
@@ -29,7 +29,7 @@ import org.compiere.util.CLogger;
  *
  *  @author 	Mario Calderon / Carlos Ruiz
  */
-public final class MCity extends X_C_City
+public class MCity extends X_C_City
 	implements Comparator<Object>, Serializable
 {
 	/**
diff --git a/org.adempiere.base/src/org/compiere/model/MCountry.java b/org.adempiere.base/src/org/compiere/model/MCountry.java
index e8572b8774..f01b397169 100644
--- a/org.adempiere.base/src/org/compiere/model/MCountry.java
+++ b/org.adempiere.base/src/org/compiere/model/MCountry.java
@@ -41,7 +41,7 @@ import static org.compiere.model.SystemIDs.*;
  *   * @author Michael Judd (Akuna Ltd)
  * 				<li>BF [ 2695078 ] Country is not translated on invoice
  */
-public final class MCountry extends X_C_Country
+public class MCountry extends X_C_Country
 	implements Comparator<Object>, Serializable
 {
 	/**
diff --git a/org.adempiere.base/src/org/compiere/model/MPaySelectionCheck.java b/org.adempiere.base/src/org/compiere/model/MPaySelectionCheck.java
index 803d0a6408..b3f5f2a041 100644
--- a/org.adempiere.base/src/org/compiere/model/MPaySelectionCheck.java
+++ b/org.adempiere.base/src/org/compiere/model/MPaySelectionCheck.java
@@ -37,7 +37,7 @@ import org.compiere.util.Msg;
  * 	@author 	Jorg Janke
  * 	@version 	$Id: MPaySelectionCheck.java,v 1.3 2006/07/30 00:51:02 jjanke Exp $
  */
-public final class MPaySelectionCheck extends X_C_PaySelectionCheck
+public class MPaySelectionCheck extends X_C_PaySelectionCheck
 {
 	/**
 	 * 
diff --git a/org.adempiere.base/src/org/compiere/model/MPayment.java b/org.adempiere.base/src/org/compiere/model/MPayment.java
index 7e2734f7cd..2469851197 100644
--- a/org.adempiere.base/src/org/compiere/model/MPayment.java
+++ b/org.adempiere.base/src/org/compiere/model/MPayment.java
@@ -77,7 +77,7 @@ import org.compiere.util.ValueNamePair;
  *  @author Carlos Ruiz - globalqss [ 2141475 ] Payment <> allocations must not be completed - implement lots of validations on prepareIt
  *  @version 	$Id: MPayment.java,v 1.4 2006/10/02 05:18:39 jjanke Exp $
  */
-public final class MPayment extends X_C_Payment 
+public class MPayment extends X_C_Payment 
 	implements DocAction, ProcessCall, PaymentInterface
 {
 
diff --git a/org.adempiere.base/src/org/compiere/model/MRegion.java b/org.adempiere.base/src/org/compiere/model/MRegion.java
index 9b55283fff..71612c8471 100644
--- a/org.adempiere.base/src/org/compiere/model/MRegion.java
+++ b/org.adempiere.base/src/org/compiere/model/MRegion.java
@@ -40,7 +40,7 @@ import static org.compiere.model.SystemIDs.*;
  *  @author 	Jorg Janke
  *  @version 	$Id: MRegion.java,v 1.3 2006/07/30 00:58:36 jjanke Exp $
  */
-public final class MRegion extends X_C_Region
+public class MRegion extends X_C_Region
 	implements Comparator<Object>, Serializable
 {
 	/**
diff --git a/org.adempiere.base/src/org/compiere/model/MTreeNode.java b/org.adempiere.base/src/org/compiere/model/MTreeNode.java
index bcbd4a00a3..e95c77d7ef 100644
--- a/org.adempiere.base/src/org/compiere/model/MTreeNode.java
+++ b/org.adempiere.base/src/org/compiere/model/MTreeNode.java
@@ -33,7 +33,7 @@ import org.compiere.wf.MWFNode;
  *  @author 	Jorg Janke
  *  @version 	$Id: MTreeNode.java,v 1.3 2006/07/30 00:51:05 jjanke Exp $
  */
-public final class MTreeNode extends DefaultMutableTreeNode
+public class MTreeNode extends DefaultMutableTreeNode
 {
 	/**
 	 *