Do I have to enter US within certain date to keep my US visa valid? Like the Canadian Landing Paper? ; Y+ o' A( @- J$ p' Y8 F0 K& L( }* \# z
I did not see that on the visa. Or maybe I missed it. * L' X; q8 {/ I$ d+ J$ u4 i" Q6 a% O5 e$ |' H, \/ ?3 N8 k) u3 f! H4 ?