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" is a signed document to accept financial responsibility for a family member who is seeking a green card.This form is required in most familybased green card applications, including CR1 and IR1 spouse visas and some employmentbased green card applications. The sponsoring spouse is required to complete and submit an I-864 affidavit of support regardless of income. Form I864, Affidavit of Support, needs to be filed DHS if you are a U.S. citizen or LPR planning to sponsor a spouse or family member. In order to fill out an affidavit of support as a sponsor, you must be a U.S. citizen or green card holder. The intending immigrant must complete an I864A only if he or she will be immigrating with a derivative spouse or child. The Easy Form asks you questions and completes the necessary forms with your answers. AFFIDAVIT OF SUPPORT UNDER SECTION 213A OF THE INA FORM I-864 Start for free – Don't pay until you're finished! They must also complete a Form I864A, Contract between Sponsor and Household Member.