Question of I-94 cards

來源: 2004-09-13 12:29:46 [舊帖] [給我悄悄話] 本文已被閱讀:

I enterd into US as B1 visa(have original I94 card), then change to F1(have i-94 card), late become to H1-B(have I-94 card). if i want to go back to China, should i hand in all I94 cards to airlines in the airplan or only Original one. i am using AP to come back.

thank you in dvance.
ame