2. In the case of a failure to comply with the second paragraph of section 299, section 328, the third paragraph of section 329 or sections 496.4 and 496.7 of the Highway Safety Code (chapter C-24.2) observed by means of a detection system, a monetary administrative penalty may be imposed on the owner of the road vehicle with which the failure to comply was committed, in the amount of $30, plus(1) if the speed exceeds the speed limit by 1 to 20 km/h, $10 for each 5 km/h by which the speed exceeds the speed limit;
(2) if the speed exceeds the speed limit by 21 to 30 km/h, $15 for each 5 km/h by which the speed exceeds the speed limit;
(3) if the speed exceeds the speed limit by 31 to 45 km/h, $20 for each 5 km/h by which the speed exceeds the speed limit; or
(4) if the speed exceeds the speed limit by 46 to 59 km/h, $25 for each 5 km/h by which the speed exceeds the speed limit.
No monetary administrative penalty may be imposed in the case of a failure to comply with the provisions set out in the first paragraph in the following cases:(1) in a zone where the maximum authorized speed limit is 60 km/h or less, if the speed of the road vehicle measured by means of a detection system is 40 km/h or more over the posted speed limit;
(2) in a zone where the maximum authorized speed limit is over 60 km/h but not over 90 km/h, if the speed of the road vehicle measured by means of a detection system is 50 km/h or more over the posted speed limit;
(3) in a zone where the maximum authorized speed limit is over 90 km/h, if the speed of the road vehicle measured by means of a detection system is 60 km/h or more over the posted speed limit;
(4) in a school zone, during the school period within the meaning of the Regulation to govern the establishment of school zones and define the school period (chapter C-24.2, r. 24.01); or (5) in a place where, in accordance with section 303.1, signs or signals indicate, for the duration of work for the construction or maintenance of a public highway, a speed limit to be respected other than the prescribed speed limit.