I-94 Question

来源: 2005-10-21 05:30:25 [旧帖] [给我悄悄话] 本文已被阅读:

I have two I-94 at hand. One is for my entering US last time with F1 visa, the other on is with my H1B approval notice.

I'm going back to China this December. My question is, should I hand in both I-94 on the flight leaving for Beijing?

Thanks for your help in advance.