it depends.

来源: 于 2004-01-09 14:36:00 [旧帖] [给我悄悄话] 本文已被阅读：次

If you go to CA for US visa anew or changing status(eg.J-1 to F-1), you must obtain a valid(unexpired) visa in order to re-enter the States. Otherwise, US visa won't be an issue.