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.Complete the Online Nonimmigrant Visa application, Form DS-160 and pay required fees. 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. In this guide, we will explain who needs to complete Form I864, when to file it, and how to fill out Form I864 stepbystep. The Office of International Students (OIS) provides all the resources and support an international student needs to be successful and enjoy the CCAC experience. 864 Affidavit of support How to fill out the Form 864 immigration Tips US mmigration with Attorney Jacob Sapochnick