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. An affidavit of support, (USCIS Form I-864), is required for all immediate relatives of US citizens and lawful permanent residents.In this video we're going to show you how to complete an i 864 and affidavit of support that is needed as part of the package for an adjustment of status. Most forms listed below are in Adobe PDF format. Download the latest version of the free Adobe Reader program here. I am sponsoring the following family members immigrating at the same time or within six months of the principal immigrant named in Part 3. It is against the law for notaries public to provide immigration advice-even filling out forms or applications. The I-864 is an Affidavit of Support. However, they don't need to fill out form I-864A. In the case of a joint sponsor, they may be unrelated to the visa applicant.