not necessary.9 N& ~& J9 J o* E9 Q2 ? ?
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. , ^6 u. r1 N l! Q 4 ^9 n% V, H0 d/ G" r; l* syou need valid visa and utility bill that indicate you are living in USA.+ j% w' V; p% ~" \) \, K/ l" Z+ X