H1B question.

来源: 于 2004-04-20 15:12:52 [旧帖] [给我悄悄话] 本文已被阅读：次

I'm in OPT, just file H1B, but now I want to go to a Ph.D program this Aug, what should I do? Can I cancel H1B petition? If yes, what's the latest time I can cancel it? Before approved or before valid?

Many many thanks.