not necessary.9 J4 P0 t0 y2 s& A& Z
legally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. * p7 A' _& e5 j' [' R 6 C _/ @3 ^" y, {: ]/ Qyou need valid visa and utility bill that indicate you are living in USA. " k1 Q* j7 B+ K* r: l* ^