There are several types of Affidavit of Support forms (I-864, I-864EZ, I-864W, and I-864A). 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.Apply at this Consulate General in person. 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. You must finish verification for financial support for the entire academic year. Complete any of the three sections below that are applicable. Affidavit of Support Form (for sponsors outside of the US to complete) (open the link, print out the form and complete the form). Each applicant must complete and sign a visa application, filling in each of its sections. 2. Visa application form. Each applicant must complete and sign a visa application, filling out every section.