not necessary." ^% H6 n$ B9 ^: U2 k
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. " h. ^0 B; a+ j* K" r* m7 y$ T) v; q( _, Y) v
you need valid visa and utility bill that indicate you are living in USA. - F5 d" H# c& e1 I \/ f