862311老师,Pjing老师,question about I-94 return or not

来源: 于 2010-07-26 07:29:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

I had green card.Do I need to return the I-94 before I leave U.S? Which one ? I had two.One card is from the plane.Another one is from my H1B approval notice.Thanks a lot!