回复：谢谢，需要提前多久办理呢，是自己向移民局递交申请吗

来源: 于 2006-05-02 11:10:05 [旧帖] [给我悄悄话] 本文已被阅读：次

Must file I-129 (H-1B ext to recapture time) or I-539 c/s to B2 any time before H-1, H-4 expires. You can do it your self or preferably through a lawyer.