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). 1. If you are filing for your spouse, he or she must complete and sign Form I-130A, Supplemental Information for.The following forms are required as part of the full spousal green card application package (Boundless can help you complete them all):. Two petitions are required: Petition for Alien Relative, Form I-130, and Petition for Alien Fiancé(e), Form I-129F. Learn more. Fiancé(e). To begin with, both spouses will need to complete and submit Form I-751 (officially called the "Petition to Remove Conditions on Residence"). Discover the comprehensive guide to obtaining a spousal visa, including the application process, requirements, and estimated timeline for approval. Completing a Declaration of Domestic Partnership form at the office. You can also bring a detailed domestic partnership agreement to include with the form. In other counties, you'll fill out and complete your application fully in person.