not necessary. 7 _7 O' C8 y, F9 D: M: Z4 {) plegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. 8 K/ @$ M$ l { O) m0 o F2 C 4 B1 U) z0 j/ E9 U& m( syou need valid visa and utility bill that indicate you are living in USA. + D8 V0 R- b6 V. G