Form I-864 or Form I-864EZ is legally required for many family-based immigrants to show that the intending immigrant has adequate means of financial support and is unlikely to become a public charge.Qualifying to Use Form I-864EZ. I am the petitioner of the family member sponsored on this affidavit. I am using my own earned or retirement income, which is documented using Internal Revenue Service (IRS) Form W-2. 1.c. The sponsored immigrant is the only person immigrating based on the underlying visa petition.