Irreversible Residency. Long-term residency is usually referred to as having a Green Card. There are two main classifications of migration: Immigrant standing and also Non-immigrant standing. Immigrant standing permits irreversible residency in the USA. Non-immigrant status provides an authorization to aliens for short-term residency that ends upon the event http://immigration-lawyer-cost98585.tinyblogging.com/Permanent-Residency-and-The-Green-Card-What-You-Have-To-Consider-35567141