not necessary. 0 ]! Z; t2 p4 U3 O3 A( M/ x! rlegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. , K0 H) H1 X+ e4 |% F % {/ X+ b$ L9 P) N8 Jyou need valid visa and utility bill that indicate you are living in USA., m! p/ }# v1 ^# J/ L# M% G# r% \