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U.S. Nonimmigrant Visa Categories Overview

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General Information: Nonimmigrant visas allow temporary stays for tourism, business, work, study, or medical treatment
Valid visa does not guarantee admission to the United States
Plane tickets should be purchased after obtaining a valid visa
Visitor Visa Categories: B visa allows business, tourism, or medical treatment stays up to six months
C visa is needed for transit between foreign countries
Study Visa Categories: F/M visas are for academic and vocational students
J visas are for exchange visitors participating in U.S. programs
Students must enroll in SEVIS system and pay I-901 fee
Work Visa Categories: D visa is for crew members on vessels or international airlines
E1/E2 visas allow treaty traders and investors
H visa categories include agricultural, seasonal, and trainee workers
L visa enables intracompany transfers of executives
O visa is for persons with extraordinary ability
P visa is for internationally recognized athletes and artists
Q visa is for cultural exchange visitors
R visa allows religious workers
TD/TN visas are for NAFTA professionals from Canada and Mexico
Special Categories: T visa protects victims of human trafficking
U visa provides temporary status for victims of criminal activities