Fill in the recipient and your address; for bills, include an account number; sign it; keep proof of payment. 1. Buy a money order for the desired amount. 2.Fill in the "Pay to the Order Of" line. 3. To fill out a money order you need to first fill out the who the payee is, the purchasers information and sign it. To purchase and issue a money order, you'll need the receiving person's or business' name, your address, any applicable account number, and your signature. What Do You Need to Fill Out a Money Order? In the spot where you see the word "From," "Purchaser," "Remitter" or "Sender," you'll sign your name. Unlike checks, money orders don't draw funds from a bank account. Take the three steps to fill out your money order form or check (personal, certified, cashier's, traveler's) for your passport application. Usually, most money orders contain a section with the words, "Purchaser's signature.