It's just an extra step we're taking to verify the returns we process and make sure refunds go to the right person. Overpayment refunds of vehicle and business tangible property taxes will be sent within 2 to 4 weeks from the date of the payment or exoneration.This form is intended for the payment of overpaid VHA Family Member Program medical claims and other debts owed to Veterans Health Administration. If we have identified an overpayment and request a refund, please mail the check along with a copy of the overpayment request letter we sent you. The questions on this web page are about the Treasury Offset Program, the program that withholds money to pay for a debt.