回复：回复：回复：回复：回复：H4->F1 complicated situation

来源: 于 2009-12-21 16:35:37 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Then, he needs to provide the old I-94 (h4) to the US Customs/CBP when he leaves US for Canada and get the new I-94 (F1) when he comes back.