diff --git a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
index d354bae..510071f 100644
--- a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
+++ b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
@@ -7,6 +7,7 @@ import org.gcube.portlets.user.td.columnwidget.client.create.AddColumnPanel;
 import org.gcube.portlets.user.td.informationwidget.client.TabularResourceProperties;
 import org.gcube.portlets.user.td.tablewidget.client.ChangeTableTypePanel;
 import org.gcube.portlets.user.td.tablewidget.client.history.HistoryPanel;
+import org.gcube.portlets.user.td.tablewidget.client.normalization.NormalizationPanel;
 import org.gcube.portlets.user.td.tablewidget.client.rows.DuplicatesRowsPanel;
 import org.gcube.portlets.user.td.tablewidget.client.validation.ValidationsTablePanel;
 import org.gcube.portlets.user.td.tablewidget.client.validation.ValidationsTasksPanel;
@@ -47,6 +48,7 @@ public class ToolBox extends TabPanel {
 	protected SplitColumnPanel splitColumnPanel;
 	protected MergeColumnPanel mergeColumnPanel;
 	protected GroupByColumnPanel groupByPanel;
+	protected NormalizationPanel normalizePanel;
 
 	// protected TdTaskController tdTaskController;
 	// protected DialogBox tdTaskMainWindow;
@@ -203,6 +205,18 @@ public class ToolBox extends TabPanel {
 		setActiveWidget(validationsTasksPanel);
 
 	}
+	
+	public void openNormalizeTab(TRId trId) {
+		Log.debug("Open Normalize Tab");
+		if (normalizePanel == null) {
+			addNormalizePanel(trId);
+		} else {
+			normalizePanel.update(trId);
+		}
+		setActiveWidget(normalizePanel);
+
+	}
+	
 
 	public void openDuplicatesRowsTab(TRId trId) {
 		Log.debug("Open Duplicates Rows Tab");
@@ -321,6 +335,15 @@ public class ToolBox extends TabPanel {
 			duplicatesRowsPanel = null;
 		}
 	}
+	
+	public void closeNormalizePanel() {
+		Log.debug("Close NormalizePanel Tab");
+		if (normalizePanel != null) {
+			remove(normalizePanel);
+			normalizePanel = null;
+		}
+	}
+	
 
 	public void updateTabs() {
 		Log.debug("Update ToolBox Tabs");
@@ -385,6 +408,11 @@ public class ToolBox extends TabPanel {
 			remove(duplicatesRowsPanel);
 			duplicatesRowsPanel = null;
 		}
+		
+		if (normalizePanel != null) {
+			remove(normalizePanel);
+			normalizePanel = null;
+		}
 
 	}
 
@@ -668,6 +696,30 @@ public class ToolBox extends TabPanel {
 
 		});
 	};
+	
+	
+	protected void addNormalizePanel(TRId trId) {
+		TabItemConfig normalizeItemConf = new TabItemConfig("Normalize",
+				true);
+
+		normalizePanel = new NormalizationPanel(trId, eventBus);
+		add(normalizePanel, normalizeItemConf);
+
+		addBeforeCloseHandler(new BeforeCloseHandler<Widget>() {
+
+			public void onBeforeClose(BeforeCloseEvent<Widget> event) {
+				if (normalizePanel == event.getItem()) {
+					remove(normalizePanel);
+					normalizePanel = null;
+
+				}
+
+			}
+
+		});
+	};
+	
+	
 
 	protected void addTdTaskPanel() {
 		// TODO
diff --git a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
index d379892..f0336c0 100644
--- a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
@@ -155,6 +155,8 @@ public class ToolBoxPanel extends ContentPanel {
 			break;	
 		case VALIDATIONSTASKSPANEL:
 			doValidationsTasksTab(event);
+		case NORAMLIZEPANEL:
+			doNormalizeTab(event);	
 		default:
 			break;
 		
@@ -397,6 +399,25 @@ public class ToolBoxPanel extends ContentPanel {
 	}
 	
 	
+	protected void doNormalizeTab(WidgetRequestEvent event){
+		Log.debug("WidgetRequestEvent.NoramlizePanel : ["+event.getTrId()+"]");
+		if (uiStateType == UIStateType.TR_OPEN
+				|| uiStateType == UIStateType.TABLECURATION
+				|| uiStateType == UIStateType.TABLEUPDATE) {
+			if (state == ToolBoxPanelState.OPENED) {
+				toolBox.openNormalizeTab(event.getTrId());
+				Log.debug("ToolBoxPanelSTate.OPENED Normalize Tab");
+			} else {
+				enable();
+				expand();
+				state = ToolBoxPanelState.OPENED;
+				toolBox.openNormalizeTab(event.getTrId());
+			}
+		} else {
+			Log.debug("ToolBoxPanel No table open");
+		}
+	}
+	
 	
 	protected void doPropertiesOpenTab(){
 		if (uiStateType == UIStateType.TR_OPEN
@@ -446,6 +467,7 @@ public class ToolBoxPanel extends ContentPanel {
 		toolBox.closeDuplicatesRowsPanel();
 		toolBox.closeValidationsTablePanel();
 		toolBox.closeValidationsTasksPanel();
+		toolBox.closeNormalizePanel();
 		Log.debug("ToolBoxPanel Closed");
 	}