Three-way matching in accounts payable: the check that stops duplicate payments
Duplicate supplier payments are one of the quietest leaks in a small business. Nobody sets out to pay an invoice twice, yet it happens all the time: the same invoice arrives by email and by post, a credit note never gets matched, or an urgent payment goes through while the original is still sitting in the approval queue. The money leaves the bank, the supplier says nothing, and the error only surfaces months later, if it surfaces at all. There is a simple control that stops most of this, and it has been standard practice in larger finance teams for years. It is called three-way matching, and any business that pays more than a handful of supplier invoices a month can use it. What three-way matching actually is Three-way matching is a check that runs before an invoice is approved for payment. It compares three documents that should all agree with each other: (1) the purchase order, which shows what was ordered and at what price; (2) the goods received note or delivery confirmation, which...