not necessary. " W1 |! M$ G5 k5 i1 xlegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. 4 `5 P; s& x8 x& l2 b: G H9 T% X, U2 c6 `
you need valid visa and utility bill that indicate you are living in USA. & k" J* ~# x2 D: n4 o