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. A filing fee is required for many immigration forms.If you do not submit the correct fee, we will reject your form. To fill out the money order, you will need to "Pay to" U.S. Department of Homeland Security. Follow the below step-by-step instructions to build your OPT application packet. See the examples and watch the videos for more help assembling your documents. You may download and print forms for free from the All Forms page. Please be sure to carefully read and follow the form filing instructions. Please complete the "Paid to the Order of" section with "US Department of Homeland Security". Cashier's checks may become void after a certain period of time.