not necessary. ( [9 t! L, m/ dlegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. / I. ^- p$ l' s& N4 I( y
& x- k/ D, ~# \8 k" W6 myou need valid visa and utility bill that indicate you are living in USA.$ k: A2 Q) s8 o# ^( h% H' m