Write your address in the purchaser section. Include your account number if you're paying a bill.To fill out a money order you need to first fill out the who the payee is, the purchasers information and sign it. Money orders are a safe alternative to cash or checks. Find out how much they cost, when you need one, where to buy it and how to cash it. Write a promissory note in New York using our free template to secure your money lending. Customize the document online and download PDF once completed.