8 老师:Two more question

来源: 2011-08-02 06:56:34 [旧帖] [给我悄悄话] 本文已被阅读:

Can I work for "A company" on a contract base or part-timely with my exsiting H1B or applying a new H1B/TN?

If I can, would this keep the I-140 valid?