not necessary.$ b* v& I, d0 ~- }0 k ]. n) ^: C! u
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. / z: |% G, L1 l L1 W+ Y
' D0 F4 N0 f/ Z! Z& vyou need valid visa and utility bill that indicate you are living in USA. 3 j% { x. Z0 e* e% I# l! F4 V