Back up the Purchase Order files onto a monthly set of backup disks or tapes.

Verify that all receipts, invoices, returns, and issues are recorded for the current month.

Perform period-end processing. For more information, see Perform Period-End and Year-End Processing.

Select the reports you want to print for the period end. Print at least the Open Purchase Order Report.

Complete period-end processing after all the selected reports have been printed.

Back up the Purchase Order files using a separate set of disks or tapes from the set used to back up the system in step 1.