Irreversible residency is commonly referred to as having a Green Card. Immigrant status allows long-term residency in the United States. An Irreversible Local is typically described as a "Permit" holder. Irreversible locals have lots of civil liberties which include the following: The right to stay in the USA permanently; http://zanetgowc.bloguetechno.com/Permanent-Residency-and-The-Green-Card-What-You-Need-Consider-29166962