The J-1 classification is available to participants in approved exchange programs, including certain students, trainees, interns, teachers, professors, research scholars, physicians, specialists, camp counselors, au pairs, and other exchange visitors. The participant must be accepted into a program administered by a designated sponsor.Some J-1 exchange visitors are subject to the two-year home-country physical-presence requirement because of government funding, graduate medical education or training, or an applicable skills-list basis. The requirement does not apply to every J-1 participant, and a waiver may be available in qualifying circumstances.