Check that the money order amount is correct. Fill in the name of the payee.To fill out a money order you need to first fill out the who the payee is, the purchasers information and sign it. S020 describes the standards for issuing and cashing money orders. It also covers nonpostal services such as migratory bird hunting and conservation stamps. Fill in the recipient and your address; for bills, include an account number; sign it; keep proof of payment. You may also be able to get a money order at your bank. You'll also need a way to pay, such as cash or a debit card. You can pay your Maryland taxes with a personal check, money order or credit card. After you provide cash or a debit card, you'll be given a money order with the payee's name and address on it, along with your name and address.