not necessary. / V! h+ W# R$ l/ D" C! Qlegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. / s# X5 d4 V! G0 W/ x0 |1 b) _. [ }( L
you need valid visa and utility bill that indicate you are living in USA.+ K) S' @" \* y5 c