26. The Director of the Direction de la sécurité en transport and, for the purposes of accomplishing the mandate of the administrative unit for which they are responsible, a territorial director and a service head within a territorial directorate are authorized to sign, for the purposes of sections 303.1, 329 and 627 of the Highway Safety Code (chapter C-24.2), any document(1) evidencing a change in the speed limit for all road vehicles or for certain categories thereof; or
(2) approving a by-law, resolution or ordinance passed or issued by a municipality relating to the rate of speed.