Fill in the recipient's name. When filling out a money order, you'll need some basic information, such as the recipient's name and your address.Decide on the money order amount. 1. Fill in the payee's name. Put the payee's name on the line labeled "Pay to the order of" or "Pay to. Filling out a money order is a straightforward stepbystep process. Just follow these instructions and you'll be ready to send your money. When should I use a money order? Many use money orders when a secure form of payment is required. Form NumberTitlePDFDOC4-1Petition (For an Order Upon Support Agreement)