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. Submit a completed Affidavit of Support form.Sponsors who are US citizens and permanent residents should complete the USCIS Form I-134 Affidavit of Support. By signing this affidavit, I understand my responsibilities as the sponsor of the student. 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. If you intend to live off-campus with a relative or friend, your housing sponsor will need to complete a housing affidavit of support. Vaccination Records. There are no "sponsors" for an F1 visa. There is no "sponsorship letter" or "affidavit of support". Update Your Contact Information.