However, once it expires they won't let you back in. If you have your permanent resident card you can come and go as you please. You can try applying for a worker's visa if some labs are still doing that, which I'm not sure of. well i guess i should just hope for luck on finding a job... my family will actually be interviewed for immigrant visa on june 21.. so i'm planning for my options to have a job there if given the chance to be approved... CLS48 in California said: There are a lot of people on this forum that have asked how to get a CA CLS license and the education requirements. The information is below. The link below describes the process: With the exception as provided in Section 1262 of the Business and Professions Code, written, oral, or practical examinations shall be conducted by the department to aid it in judging the qualifications of applicants for licensure as clinical laboratory technologists. In addition to the requirements for licensure as specified in Section 1261 of the Business and Professions Code, the prerequisites for entrance into the licensing examination shall be one of the following: (a) Graduation from a college or university maintaining standards equivalent, as determined by the department, to those institutions accredited by the Western Association of Schools and Colleges, or an essentially equivalent accrediting agency, with a baccalaureate and a major in clinical laboratory science, the last year of which course shall have been primarily