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. Child Support Forms ; 4-9a.If you do not know an attorney and you live in the Atlanta Area, you should contact the Atlanta Bar Association Lawyer Referral Service at . The New York State Unified Court System offers free instruction booklets and forms for people starting a divorce. 864 Affidavit of support How to fill out the Form 864 immigration Tips. For any business (as defined in the Family Division Domestic Relations Financial. Affidavit) in which you have any interest, produce the documents listed below. You are required to make to the Court, under oath, a FULL DISCLOSURE of your income, net worth and financial condition on this form. Some court filing costs may be in the hundreds of dollars. The person who signs the Affidavit of Support is also called the "sponsor.