not necessary. ( T3 P Z" J+ u5 c8 Z8 e3 Llegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. 0 A4 o# k% k( g* U/ E% y
& Z c" y7 l: p9 i+ lyou need valid visa and utility bill that indicate you are living in USA.8 J2 G3 U9 @- T! E( n