I-94 question

来源: 于 2005-10-23 13:05:43 [旧帖] [给我悄悄话] 本文已被阅读：次

I am GC holder, and I plan to go visit my parents in china this December. Do I need to surrender I-94 form when I leave US? If you are kind enough, could you tell me the procedures when you leave and when you re-enter US? Thank you.