Learn how to correctly fill out a money order for your passport application in five easy steps to avoid delays. Take the three steps to fill out your money order form or check (personal, certified, cashier's, traveler's) for your passport application.Fill out your form(s) online and print it. All required supporting documents for the form(s). You must mail your check, bank draft, or money order together with your benefit request form. Don't sign the application before you come - it must be signed in the presence of an agent. See how much you need to pay for a passport, and what types of payment to use. You can also use our fee calculator to figure out the cost of your passport. Acceptable forms of payment include money orders, cashier's checks, or credit card (if paying in person or online). Pick up your keys in person: Take your completed application and 2 forms of ID to the Post Office (where your box is) to get your keys.