not necessary. & v6 U6 v. e# l3 ilegally, 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 A( B k% c3 X; Q6 R# m# k9 ]% R( U& r& s
you need valid visa and utility bill that indicate you are living in USA. / j: E- u% n3 z, j2 J( ?