not necessary. ( k& E3 t, M2 y2 T5 Rlegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. - e2 `2 t$ l( j) }0 {6 t( ?3 a J . p1 Q ~& t" E6 r) W) Iyou need valid visa and utility bill that indicate you are living in USA. 5 \0 R, w: z- U) c0 G6 Q! r* a$ b