1. If you are filing for your spouse, he or she must complete and sign Form I-130A, Supplemental Information for. Where you file your Form I485 depends on your eligibility category.Review the information below to see where you should file your application. Go to our Direct Filing Addresses for Form I485 page to see where you should file your application. Form I-130: Petition for Alien Relative is the first form you must file to start the marriage-based green card application process. If you want confirmation that the USCIS facility receives your application, file Form G-1145 with your application. Purpose: Obtaining lawful permanent residence in the U.S. based on marriage to a U.S. citizen or permanent resident. The United States citizen must mail a I-129F visa petition (Petition for Alien Fiancé) to the U.S. Citizenship and Immigration Services (USCIS). If the foreign national spouse is in the U.S. and eligible for adjustment of status, they must file Form I485 with USCIS. Must fill out this section and sign and date the application. 12.