which I-94 card?

来源: 于 2004-06-18 19:35:26 [旧帖] [给我悄悄话] 本文已被阅读：次

I have my original I-94 white card , another I-94 came with my H1B and a third one came with my renewed H1B.

At the time of leaving US, which card(s) should I surrender?

Anybody knows please kindly advise...