not necessary.9 Y7 l1 x9 a% \7 w1 \
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. . K5 i$ j1 a! l
& G t/ d! N4 O2 G" m- Kyou need valid visa and utility bill that indicate you are living in USA.6 K n$ l2 E, }3 H$ U" J