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. Form I-765 (Please review the guidelines for completing the Form I-765 (pdf) for assistance). You must present a photo ID, such as your passport, when purchasing a money order. Filling Out a Money Order to Pay the Form I-765 Filing Fee. NOTE: Read the Penalties section of the Form I-765. Instructions before completing this section. By mail with an Authorization for Credit Card Transactions (Form G-1450), check, or money order. This article provides information on the different payment methods available for paying the filing fees, along with instructions for each method.