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Accounts Payable & Receivable › Purchase Orders & 3-Way Matching

What are common causes of a three-way match failure?

Intermediate

Answer

Typical causes: price on the invoice differs from the PO; invoiced quantity exceeds the received quantity; goods received but no GRN posted; wrong PO referenced; unit-of-measure mismatch; freight or extra charges not on the PO; or partial deliveries. Each routes to the relevant party—buyer for price, warehouse for receipt—to resolve.
Real-world example An invoice for 100 units fails matching because only 90 were received; the buyer confirms the rest are backordered and the invoice is short-paid to 90.

Common follow-ups: Who fixes a price mismatch vs a quantity mismatch? | How are partial deliveries handled?