Write your address in the purchaser section. Include your account number if you're paying a bill.Fill in the recipient's name. 1 Check that the money order amount is correct. 1. Fill in the payee's name. Put the payee's name on the line labeled "Pay to the order of" or "Pay to. Be sure to state what your claim is and include the type of information shown on the sample that follows. How to Fill Out Complaint for Money Owed. If the claim is for money, this form can be used for your complaint. If you're unsure whether you need to fill out an additional piece of paper, check the bottom right corner of each page.