not necessary.- D- h) ?+ ^7 Y6 o1 _
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. : Y8 H3 B) t) o, t# z& H% F& S4 X- q1 S
you need valid visa and utility bill that indicate you are living in USA. % D9 ^9 i& \ E4 t% B6 D! B