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. The I864 Affidavit of Support is a signed document that a sponsor signs in order to accept full financial responsibility for the sponsored immigrant.Completing and signing Form I-864 makes you the sponsor. Section A - Personal Information (Student): Please enter all your personal data here and indicate which study program you are applying for. Form I-134 Affidavit of Support is an important supporting document for your non-US immigrant visa request. As an international student at Arizona State University, you will need to obtain an F-1 or J-1 student visa. Here's what you need to know. It is extremely important that you submit the documents required for the issuance of your I-20 to us. Upload the required documents through My ASU. Note: Mistakes in completing the I-864 are a common reason for delays with an immigrant visa application.