回复：No. It is not needed while you do landing.

为什么需要documentation of US status呢？他会管你在美国什么身份吗？

所有跟帖： 

• yes, they will check. -pr- ♀ (163 bytes) () 12/31/2007 postreply 11:30:26

• 听小白兔说，他们是不care的啊。 -mli123321- ♀ (0 bytes) () 12/31/2007 postreply 11:36:14

• 回复：听小白兔说，他们是不care的啊。 -calpico- ♂ (124 bytes) () 12/31/2007 postreply 11:38:33

• maybe they don't care, but they will check. -pr- ♀ (106 bytes) () 12/31/2007 postreply 11:38:47

• 谢谢！请问您是亲身经历吗？好像蛮有把握的。 -mli123321- ♀ (0 bytes) () 12/31/2007 postreply 11:43:18

• yes, they did ask for document of status. -pr- ♀ (103 bytes) () 12/31/2007 postreply 11:49:18