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. 1) Copies of the last income taxes.Stick with complete joint account statements. Here you will find a complete list of documents that can help verify the information you provided in your application. Permanent residents are issued a valid Permanent Resident Card (Form. 551) as proof of their legal status in the United States. Download a proof of residency letter template for family members, notarized or non-notarized, tailored for legal use. PIRC provides free, effective legal representation, legal counsel, education, and advocacy to help immigrants obtain or protect their legal status. Below you will find links to useful forms and documents for easy and convenient access. Secure a letter from your bank for Consular Purpose.