14. The following road vehicles are exempt from registration:(1) a farm machine owned by a farmer and determined by regulation;
(2) (paragraph repealed);
(3) an off-highway vehicle used exclusively on a competition circuit laid out and used for the competition of motor vehicles subject to the Act respecting safety in sports (chapter S-3.1) and, in the cases provided for by regulation, an off-highway vehicle to which the Act respecting off-highway vehicles (chapter V-1.2) applies and a recreation vehicle;
(4) a detachable axle;
(5) a single-axle towing dolly;
(6) a motorized scooter.