not necessary.# ~; ]( `# l9 Z' ]
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. ; v+ e2 y4 s5 f0 M . b% L" ]* T' X- `9 vyou need valid visa and utility bill that indicate you are living in USA. 4 y( n/ T. R# P