Guides
Checking an invoice before you approve it.
What to compare an invoice with, what each difference means, and what to do about it. Each guide ends in a worked example you can open in the free invoice checker and change.
Invoice approval checklist: the 15 checks before you approve
Each check in plain words, what it catches and what to do when it fails. Prints on one or two pages.
Invoice doesn’t match the purchase order: the common discrepancies, and what to do
The five differences between an invoice and its order that come up most, and how to handle each.
Two-way and three-way invoice matching, explained with examples
What each kind of match compares, with a worked example of each, and the one rule that keeps them honest.