5.1. A motor vehicle with a net mass of more than 3 000 kg, of the truck type, except for a tow truck drawing a trailer or a semi-trailer equipped with a tank permanently attached thereto and that is not the fuel tank used for equipment parts for the trailer or semi-trailer, may be equipped with flashing or rotating amber lights.
Amber lights may be used solely for manoeuvres of the vehicle related to loading an unloading on the shoulder of the road and for loading and unloading on the shoulder of the road.