If you need to void a posted check, EFT payment, or credit card transaction, you can do so in the AP Adjust/Pay Bills window.

If you need to adjust a vendor balance because of an incorrect payment amount, you will need to perform a balance adjustment. To increase your vendor balance, see Adjusting a Vendor Balance (Increasing the Vendor Balance). If you need to decrease your balance because of an error in a payment, for instance because of a short pay, you would enter a new payment (see Preparing Payments Individually).