diff --git a/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/SDMXOperationInProgressCard.java b/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/SDMXOperationInProgressCard.java
index ec573cf..7e3f4c7 100644
--- a/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/SDMXOperationInProgressCard.java
+++ b/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/SDMXOperationInProgressCard.java
@@ -206,4 +206,10 @@ public class SDMXOperationInProgressCard extends WizardCard implements
 		
 	}
 
+	@Override
+	public void operationValidate(float elaborated) {
+		// TODO Auto-generated method stub
+		
+	}
+
 }
diff --git a/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressBarUpdater.java b/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressBarUpdater.java
index b4b9f01..f676ba0 100644
--- a/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressBarUpdater.java
+++ b/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressBarUpdater.java
@@ -59,7 +59,7 @@ public class SDMXExportProgressBarUpdater implements SDMXExportProgressListener
 
 	@Override
 	public void operationUpdate(float elaborated) {
-		Log.info("Export elaborated: "+elaborated);
+		Log.info("Elaborated: "+elaborated);
 		if (elaborated == 0) progressBar.updateProgress(0, "Initializing...");
 		if (elaborated>0 && elaborated<1) {
 			Log.trace("progress "+elaborated);
@@ -70,6 +70,18 @@ public class SDMXExportProgressBarUpdater implements SDMXExportProgressListener
 		
 	}
 	
+	@Override
+	public void operationValidate(float elaborated) {
+		Log.info("Validation Elaborated: "+elaborated);
+		if (elaborated == 0) progressBar.updateProgress(0, "Start Validation...");
+		if (elaborated>0 && elaborated<1) {
+			Log.trace("Validation progress "+elaborated);
+			int elab=new Float(elaborated*100).intValue();
+			progressBar.updateProgress(elaborated,elab+"% Validation Progress...");
+		}
+		if (elaborated == 1) progressBar.updateProgress(1, "Validation...");
+	}
+	
 	@Override
 	public void operationStopped(TRId trId,String reason, String details) {
 		Log.debug("Operation Stopped: ["+trId.toString()+", "+reason+", "+details+"]");
diff --git a/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressListener.java b/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressListener.java
index b10b0ab..021211c 100644
--- a/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressListener.java
+++ b/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressListener.java
@@ -28,6 +28,11 @@ public interface SDMXExportProgressListener {
 	 */
 	public void operationUpdate(float elaborated);
 	
+	/**
+	 * Called when there is a validate for the operation.
+	 * @param elaborated the elaborated part.
+	 */
+	public void operationValidate(float elaborated);	
 	
 	/**
 	 * Called when the operation is complete.
diff --git a/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressUpdater.java b/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressUpdater.java
index 009a09a..d1889f7 100644
--- a/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressUpdater.java
+++ b/src/main/java/org/gcube/portlets/user/td/sdmxexportwidget/client/progress/SDMXExportProgressUpdater.java
@@ -59,8 +59,7 @@ public class SDMXExportProgressUpdater extends Timer {
 							fireOperationUpdate(result.getProgress());
 							break;
 						case VALIDATING_RULES:
-							Log.info("Validating Rules...");
-							fireOperationUpdate(result.getProgress());
+							fireOperationValidate(result.getProgress());
 							break;	
 						case GENERATING_VIEW:
 							Log.info("Generating View...");
@@ -146,6 +145,11 @@ public class SDMXExportProgressUpdater extends Timer {
 		for (SDMXExportProgressListener listener : listeners)
 			listener.operationUpdate(elaborated);
 	}
+	
+	protected void fireOperationValidate(float elaborated) {
+		for (SDMXExportProgressListener listener : listeners)
+			listener.operationValidate(elaborated);
+	}
 
 	protected void fireOperationComplete() {
 		for (SDMXExportProgressListener listener : listeners)