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. Decide on the money order amount. Leave that portion entirely blank. Below is an example of a money order from Western Union: Locations in Knoxville, TN where money orders can be purchased. 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. If you need information about a detainee that is housed at this facility, you may call (912) 4966905 between the hours of 8 am and pm.