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Immigration terminology can be difficult to understand when navigating through any immigration process. This section provides a brief definition of immigration-related terms. We have organized the terms in alphabetical order for easy reference.
Temporary Protected Status (TPS): Establishes a legislative basis for allowing a group of persons temporary refuge in the United States. Under a provision of the Immigration Act of 1990, the Secretary of Homeland Security may designate nationals of a foreign state to be eligible for TPS with a finding that conditions in that country pose a danger to personal safety due to ongoing armed conflict or an environmental disaster. Grants of TPS are initially made for periods of 6 to 18 months and may be extended depending on the situation. Removal proceedings are suspended against aliens while they are in Temporary Protected Status.
Temporary Worker: An alien coming to the United States to work for a temporary period of time. The Immigration Reform and Control Act of 1986 and the Immigration Act of 1990, as well as other legislation, revised existing classes and created new classes of nonimmigrant admission. Nonimmigrant temporary worker classes of admission are as follows:
H-1A - registered nurses (valid from 10/1/1990 through 9/30/1995);
H-1B - workers with "specialty occupations" admitted on the basis of professional education, skills, and/or equivalent experience;
H-1C - registered nurses to work in areas with a shortage of health professionals under the Nursing Relief for Disadvantaged Areas Act of 1999;
H-2A - temporary agricultural workers coming to the United States to perform agricultural services or labor of a temporary or seasonal nature when authorized workers are unavailable in the United States;
H-2B - temporary non-agricultural workers coming to the United States to perform temporary services or labor if unemployed persons capable of performing the service or labor cannot be found in the United States;
H-3 - aliens coming temporarily to the United States as trainees, other than to receive graduate medical education or training;
O-1, O-2, O-3 - temporary workers with extraordinary ability or achievement in the sciences, arts, education, business, or athletics; those entering solely for the purpose of accompanying and assisting such workers; and their spouses and children;
P-1, P-2, P-3, P-4 - athletes and entertainers at an internationally recognized level of performance; artists and entertainers under a reciprocal exchange program; artists and entertainers under a program that is "culturally unique"; and their spouses and children;
Q-1, Q-2, Q-3 - participants in international cultural exchange programs; participants in the Irish Peace Process Cultural and Training Program; and spouses and children of Irish Peace Process participants;
R-1, R-2 - temporary workers to perform work in religious occupations and their spouses and children.
Transit Alien: An alien in immediate and continuous transit through the United States, with or without a visa, including, 1) aliens who qualify as persons entitled to pass in transit to and from the United Nations Headquarters District and foreign countries and 2) foreign government officials and their spouses and unmarried minor (or dependent) children in transit.
Transit Without Visa (TWOV): A transit alien traveling without a nonimmigrant visa under section 233 of the INA. An alien admitted under agreements with a transportation line, which guarantees his immediate and continuous passage to a foreign destination.
Treaty Trader or Investor: As a nonimmigrant class of admission, an alien coming to the United States, under the provisions of a treaty of commerce and navigation between the United States and the foreign state of such alien, to carry on substantial trade or to direct the operations of an enterprise in which he/she has invested a substantial amount of capital, and the alien's spouse and unmarried minor children.