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July 18, 2017
Purchase Orders are one of the best controls for preventing duplicate payments. The key control feature of purchase orders is that they link payments to specific vendors. When purchase orders are incomplete, they do not provide the necessary information to the AP clerk responsible for reconciling the transaction. Purchase Order Entry Errors Cause Duplicate Payments During a recent discovery review, TAG discovered nine duplicate payments, totaling $88,570, that occurred because the invoices were not tied to a PO. Two duplicate payments made to Locums Tenens were not prevented by the ERP system because the PO was not linked to the […]
