There may be several old purchase orders in your system with a back-order status. To delete old purchase orders, you must first print the Open Purchase Order Report and then you must remove them from the system.
To delete old purchase orders

1 On the Purchase Order Reports menu, click Open Purchase Order Report.

2 At the Sort Options field, select the appropriate sort option.

3 At the Order Number field, enter the purchase order number or range of numbers.

After the report prints, it will show, by line item, the quantity ordered quantity received, and quantity invoiced. These three amounts must be equal for the purchase order to be marked complete. If any of the numbers do not match, you will need to determine what steps are necessary to correct it. Use the examples below as a guideline.