not necessary.' @+ c$ J! Z$ I* E; f+ D
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. * }0 F3 M2 ~ j9 A- f3 U + ]7 y3 a1 t6 \- D" oyou need valid visa and utility bill that indicate you are living in USA. 2 m! K0 Y3 ]- Y2 Y: S8 N9 d