-  In the Catalog Explorer, double-click the 
                        			 File Definitions node, then double-click the required file definition. 
                        			 
                        The 
                           				<file-definition-name> tab is displayed. 
                           			 
                         
- Select the group-level data item that does not contain the DEPENDING ON phrase, right-click and select 
                        			 Identify OCCURS DEPENDING ON control item. 
                        			 
                        The 
                           				Select Control Item dialog box is displayed. 
                           			 
                           
 
- In the 
                        			 Control Item field, click 
                        			  and select the control item from the numeric items displayed. and select the control item from the numeric items displayed.Note: If the control item is not a part of your file definition (perhaps it is a working-storage item), you will need to re-import
                           the file definition using 
                           				Advanced Import Options, which allows you to import additional data items not part of an FD. 
                           			 
                         
- Click 
                        			 Apply. 
                        			 
                        The 
                           				Occurs property for the group-level item, within the 
                           				Properties pane, now indicates that it depends on the value of the control item. 
                           			 
                         
- Click 
                        			 Save to Catalog.