not necessary. ' t3 z0 W1 z f& F Z/ @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. ! K) o0 S! `- n3 `$ {$ Q. Y; B% M3 j4 w, E0 M
you need valid visa and utility bill that indicate you are living in USA.9 s! r4 A7 P" _* g