For couples already living in the United States, Adjustment of Status (AOS)  is the main process used to apply for a marriage-based green card  without leaving the country. Adjustment of Status allows certain eligible people who are already in the United States to apply for permanent residence from inside the country rather than completing the immigration process abroad. In marriage-based immigration cases, this process usually works together with a family-based petition file

A marriage green card allows a foreign national to become a lawful permanent resident of the United States through marriage to a U.S. citizen or lawful permanent resident. Many couples begin researching this process after marriage or when planning to build a long-term life together in the United States. People often search for this process using different terms, including green card through marriage, spouse green card, marriage based green card, or spouse visa USA . Although