not necessary./ ?& j* U# c* p. E- X5 O4 }; B
legally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. 2 v% M' r2 Y: p% x
& j( U% F4 u( P( j' I: Z6 `you need valid visa and utility bill that indicate you are living in USA.! `+ @9 X d) T' j' _3 S# [! Y