not necessary., i" D7 @# x1 p
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. . P/ f v. k; x9 n8 B- E! @ + r. u, o, R0 nyou need valid visa and utility bill that indicate you are living in USA. 1 b0 V: m; Y+ f* Z$ y