not necessary.; a1 ?; q# n* D! E* Z" z
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. : y* C9 D5 f$ ]# p2 H7 M6 c
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you need valid visa and utility bill that indicate you are living in USA. , J( H$ t: s+ n! O! d o, k+ _: }. \