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. Completing and signing Form I-864 makes you the sponsor.In order to fill out an affidavit of support as a sponsor, you must be a U.S. citizen or green card holder. 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. 864 Affidavit of support How to fill out the Form 864 immigration Tips US mmigration with Attorney Jacob Sapochnick This article will provide information to assist you in filling out Form I134 to help foreign visitors applying for a tourist or other nonimmigrant visa. You will also need to apply for a new visa at a U.S. Embassy or Consulate, if applicable. The victim must complete a Claim for Restitution form and submit documents supporting the claim. Some international students are already living in the U.S. when they apply and others travel from their home countries.