not necessary. - B5 i1 ^- Z7 Y. c6 Nlegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. 6 d7 e; t9 G8 J% h# d 7 q- W1 S, n6 S' r u% \1 ]* @you need valid visa and utility bill that indicate you are living in USA.5 p) S9 G7 f8 r4 k7 _, J