Change Item code on PO and GRV This special function allows one to change an item code only without the selection changing all the details on the item to the new item code. Mainly used for the email to PO and GRV function where the line item has been set to the default item.  This option is only available on the Purchase Order and GRV function. The description, quantity and price are correct, but the item code is incorrect.  To only change the item code there are two ways to change: Click on the icon on the grid Click on the replace item code button   Click on the icon on the grid   Item edited with replace button   Rules: Cannot have a blank item code If document is completed or processed, one cannot change