6. Every heavy vehicle being operated in the part of the territory of Québec situated south of the 55th parallel and every heavy vehicle sold, leased, placed at the disposal of a person for valuable consideration or offered in any way to be sold, leased or placed at the disposal of a person for valuable consideration must be equipped with a pollution control device or system in working order that reduces the emission of hydrocarbons, carbon monoxide, nitrogen oxide or particles into the atmosphere.
This section does not apply to heavy vehicles that, with regard to the contaminants referred to in the first paragraph, comply with the emission standards prescribed by the regulations under the Motor Vehicle Safety Act (S.C. 1993, c. 16) or the Canadian Environmental Protection Act (S.C. 1999, c. 33) without being equipped with a pollution control device or system.