Fill in the name of the payee. If you but a money order from the Post Office, they do accept debit cards.In fact, they only accept debit cards or cash. You must use the Ohio form IT 40P payment voucher if you use a paper check or money order to pay your tax due. Fill in the recipient and your address; for bills, include an account number; sign it; keep proof of payment. When completing a money order, ensure accurate details for the purchaser and the recipient, including names, addresses, and transfer amount. To fill out a money order you need to first fill out the who the payee is, the purchasers information and sign it. Credit cards may NOT be used to purchase money orders. Where and how can a money order be cashed? You must also fill out a few pieces of information such as providing the name of the person or organization receiving the funds (the payee).