not necessary.3 a2 a- D9 l: a
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. 5 ]8 T: n4 P+ b2 C2 o/ \% [2 \9 B 8 c1 w, w# D7 P$ Kyou need valid visa and utility bill that indicate you are living in USA. 6 z; Q, @2 O3 s; J" F' i1 c