not necessary.1 m3 V3 r5 C& \: W" u5 B! G
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 k: n- B: [8 K7 j7 w% D
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you need valid visa and utility bill that indicate you are living in USA.& ], H, d' g/ r+ i" c