not necessary., | x o E. \. O4 I5 S* w F
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. + b: p+ n; Y5 s2 r5 o% H+ M2 D( F
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you need valid visa and utility bill that indicate you are living in USA. ; i# ?8 i9 w9 N$ W: U0 M