61.1. In respect of a road vehicle in the category of road vehicles referred to in section 2.1, the additional duty payable to obtain the registration of the vehicle and for the right to operate it is the product obtained by multiplying the monthly duty determined in section 90.1 by the number of calendar months, including parts of a month, less 1, during which the owner of the vehicle has the right to operate it.
O.C. 55-98, s. 10; O.C. 1246-2005, s. 14; O.C. 265-2007, s. 12.