not necessary. : z2 @7 u; U+ W5 ^/ o5 Ylegally, 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 e, ]9 {6 i+ J1 `" k2 @ % X. ~) o8 c0 N1 c! k7 X+ syou need valid visa and utility bill that indicate you are living in USA. 1 O* f) O% C3 I- v# x