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. The Affidavit of Support (USCIS form I-864) is your validation that you have enough income to provide support for the person you are sponsoring in Greensboro.Affidavit of Support: This is a statement of a sponsor's income, resources, and willingness to support an alien. You, the sponsor (petitioner), and the joint sponsor must complete Form I-864. See tips for completing Form I-864. Most family-based filings require an I-864 when sponsoring an immigrant spouse, child, sibling, or parent. This video will help you to fill out I-864 For Joint Sponsor. If an individual sponsor (relative or friend) will provide financial support for the applicant, the sponsor must complete. Maintain the sponsored immigrant at an annual income that is not less than 125 percent of the Federal Poverty Guidelines (FPG); The I-864, also known as the affidavit of support, is a "4-Part" form in the Green Card Process, whether Adjustment of Status or Consular Processing.