From 3-way to 6-way: rethinking invoice matching in AP
Three-way matching was designed for a world of paper POs and one tax rate. Today, an invoice also has to agree with a contract, a government tax record, and a vendor master that changes under you. Here is what the six-way version checks, why finance teams drift into it whether they planned to or not, and what changes when an agent runs the match instead of a person.