Do we have to carry the Green Card all the time? what if not?

the notice says we need to carry the card all the time, this is the law.
is there any penalty if we don't do that?
i don't think anybody carrying the card just like the driver license.
Thanks.

所有跟帖： 

• 回複：Do we have to carry the Green Card all the time? what if not? -doshexh- ♀ (112 bytes) () 04/15/2008 postreply 08:12:55

• no, all i bring is my driver license. -call888- ♂ (0 bytes) () 04/15/2008 postreply 08:22:39

• When did you receive your physical card? -wenlin- ♀ (0 bytes) () 04/15/2008 postreply 08:47:14