not necessary. ! j* ?9 t! w3 X) B W7 _! K4 olegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. + S1 F' M2 Z" g/ l
* c% H4 j/ i# u0 P/ a) syou need valid visa and utility bill that indicate you are living in USA. " {. t/ M) R4 D* \" Y3 C+ L! G( f