Write your address in the purchaser section. Include your account number if you're paying a bill.Complete Section A of the form in BLACK ink. I overpaid my business tax. How do I request a refund? When filling out your money order, you'll need to have some basic information, such as the name and address of the person receiving the money order. 1 Check that the money order amount is correct. Money orders must be made out to "Oakland County Clerk". Free fillable forms: City of Oakland. Non-Federal Agency (CA) Sign up.