MZ

Green card marriage -  is a marriage of convenience between a legal resident of the United States of America and a person who would be ineligible for residency but for being married to the resident. The term derives from the availability of permanent resident documents ("Green cards") for spouses of legal residents in the United States, where marriage is one of the fastest and surest ways to obtain legal residence.[1]Marriages, if legitimate, entitle the spouse to live and work in the United States, as in most other countries. In the United States, 2.3 million marriage visas were approved from 1998 through 2007, representing 25% of all green cards in 2007. Even if the non-resident spouse was previously an illegal immigrant, marriage entitles the spouse to residency.

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Parents green card - To petition for your parents (mother or father) to live in the United States as green card holders, you must be a U.S. citizen and at least 21 years old. Green card holders (permanent residents) may not petition to bring parents to live permanently in the United States. Your parents do not need to apply for employment authorization (work permit) once they are admitted as an immigrant with their immigrant visa. If your parents are now outside the United States, they will receive a passport stamp upon arrival in the United States. This stamp will prove that they are allowed to work in the United States until their Permanent Resident Card is received.