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.The public charge ground of inadmissibility does apply to winners of the diversity visa lottery, but they need not have an I-864 filled out on their behalf. In this guide, we will explain who needs to complete Form I864, when to file it, and how to fill out Form I864 stepbystep. Submitting Forms or Documents to the NVC: If you need to submit a form or document to us, please visit our Submit Documents to the NVC page. Payments will not be processed if the citation is not in the system. If it is not a Municipal Court citation contact the appropriate court. The sponsor must complete and file the Affidavit of Support under Section 213A of the Act on behalf of a sponsored immigrant. The regulatory process, with a focus on the Federal. The regulatory process, with a focus on the Federal.