17.No commercial or noncommercial advertising sign may be displayed
(1) within 300 metres of a highway, rest area or lookout on a site or area designated by the Government for the purposes of highway safety or the protection of the scenery or of the historical or architectural heritage;
(2) within the limits of a rest area or lookout, unless authorized by the person responsible for its maintenance, who may, without notice, remove any advertising sign displayed in contravention of this provision;
(3) on an object suspended in the air and attached to the ground in the zone within 300 metres of a highway, rest area or lookout;
(4) back to back or anglewise to another advertising sign displayed within 300 metres of a highway designated as an autoroute by the Minister by means of the proper signs.