When entering a back to back order, we have to generate a purchase order for the sale you are about to make, a new tab appears on the menu which you need to complete before you save the sales order.
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You can use the link button to open the purchase order, or you can use the navigation and find the purchase order and open it in the normal way.   Â
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Amendments to the Purchase Order - Will not effect affect the sales order, you have to do each manually after the initial creation
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