Use this form to show they have adequate means of financial support and are not likely to rely on the US government for financial support. Completing and signing Form I-864 makes you the sponsor.All students requiring an I-20 must complete the Statement of Financial Support and submit adequate documentation of financial support. International students planning to enroll on an F-1 (student) visa must provide proof of financial support. You must certify that you will have funds available to cover your expenses for your first academic year (9 months) at. West Virginia University. Edu as soon as possible. Important: It is the applicant's responsibility to present acceptable evidence of adequate financial support the student visa. Completing an Associate degree may take up to 3 years. Some sponsors temporarily reside abroad and intend to move to the US once a family member's immigrant visa is issued.