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.If you are coming to the United States on a temporary visa, you may need to prove financial support. A sponsor can file the I-134 form. Those with personal (self-support), family, or individual support will be asked to provide sponsorship information in your graduate I-20 form. 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 also submit an affidavit of support for your parent, referred to as the I-864 form. Q Which Countries do not require a tourist visa (for less than 90 days)? Visa application form. Each applicant must complete and sign a visa application, filling out every section.