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.Here is a list of international student resources and evaluation of credits: Visa Questions, Health Insurance, Transcript, Affidavit of Support, Scholarships. A completed Affidavit of Financial Support Form I-34 (original and notarized) with supporting documents must be submitted with admission application. 864 Affidavit of support How to fill out the Form 864 immigration Tips US mmigration with Attorney Jacob Sapochnick In this guide, we will explain who needs to complete Form I864, when to file it, and how to fill out Form I864 stepbystep. The purpose of the Affidavit is to assist consular officers in determining whether a visa applicant will have adequate means of financial support in the US. An "international student" is someone who is not a U.S. citizen or immigrant. Some sponsors temporarily reside abroad and intend to move to the US once a family member's immigrant visa is issued.