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. There are several types of Affidavit of Support forms (I-864, I-864EZ, I-864W, and I-864A).• Affidavit of support. A fully completed and signed Affidavit of Support (Form I864) from the sponsor. If you are applying for a family preference visa, you will need to file Form I-130, Petition for Alien Relative, and Form I-864, Affidavit of Support. Step 3: File an Affidavit of Support. Schengen (Short stay) Visa Application Form (up to 90 days). You may complete the Assessment Review Form or visit either of the offices of the Property Appraiser. – Please complete all information requested on the form in your myFIU account. Some sponsors temporarily reside abroad and intend to move to the US once a family member's immigrant visa is issued.