In the Memo or "For" section, write "USCIS I-765" and your SEVIS ID number, found in the in the upper left-hand corner of your I-20. However, you can file many USCIS forms online.To fill out the money order, you will need to "Pay to" U.S. Department of Homeland Security. Print and complete the immigration fee waiver form (USCIS Form I912). Read the instructions for filling out the form. We even give you a money-back guarantee that USCIS will approve your petition. Form G-1450 allows you to pay for your immigration forms with a credit card instead of a money order or personal check. Filling Out a Money Order to Pay the Form I-765 Filing Fee.