Fill in the recipient and your address; for bills, include an account number; sign it; keep proof of payment. Decide on the money order amount.Step 1: Fill in the recipient's name. You'll want to fill out each line of your money order with a pen in large and legible letters. 1. Fill in the payee's name. Put the payee's name on the line labeled "Pay to the order of" or "Pay to. Fill in the recipient's name. The money order has a purchaser section, which you'll fill out with your name and address. Mail – Personal Check, Postal Money Order, or Certified Check made payable to NYS Department of Health.