Yes they do. As long as the H1B nonimmigrant has not violated status and has a current I-797 H1B approval notice for his or her current employer, the “old” visa remain valid until it expires. Below, find a memo from the then-INS on this subject. It remains valid today: July 8, 1997 All District Directors All Officers-in-Charge Office of Benefits Service Center Directors … [Read more...] about Do H1B visas remain valid if you change employers?
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