Can I (the immigrant) fill out the Affidavit of Support as well, when applying for Green card through my spouse? 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.Individuals immigrating through most family-based, and some employment-based,1 visa petitions are required to submit an Affidavit of Support on. Use our I130 affidavit sample and tips to create a strong affidavit for your spouse. Include these key points and avoid common mistakes. However, you must be at least 18 years of age and have a residence (domicile) in the U.S. before you can sign the Affidavit of Support (Form I-864 or I-864EZ). We have lived together for at least six months. 2. We are not married to anyone else nor have another Domestic Partner. 3. Husbandwife relationship must be shown in order to demonstrate cohabitation"). Chicago divorce attorney Andrew Harger explains how to complete a financial disclosure form for Illinois family law cases.