A) Complete an Affidavit of Support form and; b) Gather evidence of their finances and other supporting documents (See Step 5). 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.I134 Affidavit of Support. Form to sponsor a visa applicant and show they will not become a public charge while in the U.S.. N-400, Naturalization Application. 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. Main Courthouse Location 201 SE 6th Street Fort Lauderdale Florida, US 33301 Phone: (954) 831-6565 Public Records Custodian Applying in the U.S.. 5. Affidavit of Support (Form I-134, Declaration of Financial Support) from the student's sponsor who is living in the U.S.. OR. Please visit LauderBuild to learn more. This is a summary of the application requirements for international students who want to receive an I-20 to apply for the.