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. To fill out the money order, you will need to "Pay to" U.S. Department of Homeland Security.Use blue or black ink pen to fill out the form. Make sure you have the correct spelling of the person or business. 3. Do NOT sign the back of the money order. Leave that portion entirely blank. Yes it is the money order that should be on the top of your document. When USCIS opens your package they should see it first. Use this form to apply for lawful permanent resident status if you are in the United States. 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'.