not necessary.4 f4 V' S5 x! @
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. " X- |9 @8 Q3 ^+ a/ n7 ~6 s, F& M
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you need valid visa and utility bill that indicate you are living in USA.0 s6 K& u2 f( H" f- p" o