Make the money order payable to U.S. Department of Homeland Security. Filling Out a Money Order to Pay the Form I-765 Filing Fee.Below is information on filling out sections of a money order. Employees whose immigration status, employment authorization, or employment authorization documents expire should file the necessary application or petition. To fill out the money order, you will need to "Pay to" U.S. Department of Homeland Security. The 'Pay to the order of' line should say 'US Department of Homeland Security' and the memo should say something like 'I-751 application and biometrics'. These are generally very affordable and easy to fill out. Learn how to fill out the I9 Form properly to ensure compliance and avoid penalties with our stepbystep guide for employers and employees. A foreign bank account and how to fill out your money order or check. USCIS DOES NOT accept cash payments.