not necessary. ; M; V$ L$ n2 r1 ~4 h/ B, Dlegally, you may use Canadian driving license for 3 months. but usually, if you stay for less than one year. nobody go for change it. 0 `1 t9 q; ?6 R" X : j7 T1 R9 \* y8 N+ U7 `- P; m3 Uyou need valid visa and utility bill that indicate you are living in USA.( h7 r2 ^6 |. e( {0 ]; Y