Fill in the recipient's name. 1 Check that the money order amount is correct.Filling out a money order is a straightforward stepbystep process. Just follow these instructions and you'll be ready to send your money. To fill out a money order you need to first fill out the who the payee is, the purchasers information and sign it. Fill in the name of the payee. Always ask the recipient what name should be provided on the money order, as you must use a legal name rather than a nickname. APPLICATION – must be completed, signed, and returned with fee(s) in the form of a cashier's check, money order, or cash (exact cash amount only please). Take cash, a debit card, or a traveler's check. You cannot pay with a credit card.