Rule #1, your I-539 must have been received by USCIS - 回复：H-4 要等

来源: 于 2007-10-03 08:15:08 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

prior to OPT expiration.

If you don't work during OPT, it does no matter how early/late you file I-539.
If you do, you may still work until OPT expires even after you have filed I-539.