not necessary.+ a; J) R, `& _$ o0 ~8 T7 i; l
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 \( ]- H1 G' Y7 j- ^. w; \+ q( d
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you need valid visa and utility bill that indicate you are living in USA. * @* x) o* w! h$ ]2 I% A$ {3 ?