Having the appropriate paperwork is essential to a seamless application process when applying for an F1 Visa. The Form I-20 is the main document that needs to be sslots winner yonoigned by you & a designated school official from your institution. This form contains program details, such as start dates and tuition costs, in addition to verification of your acceptance. You will also require a passport that is currently valid and will be valid for at least six months after your intended stay in the U.S.