28. Where a commercial advertising sign or the lighting therefor is displayed or installed in contravention of any of the provisions of this Act or the regulations, the permit holder is guilty of an offence and is liable, in addition to costs, to the same penalty as that provided for a contravention by the person who displayed or installed the advertising sign or lighting, whether or not he has been prosecuted, if the permit holder keeps it in place without bringing it into conformity with that provision.
Where a noncommercial advertising sign or the lighting therefor is displayed or installed in contravention of any of the provisions of this Act or the regulations, each of the following persons is guilty of an offence if he keeps it in place without bringing it into conformity with that provision and is liable, in addition to costs, to the same penalty as that prescribed for a contravention by the person who displayed or installed the advertising sign or lighting, whether or not he has been prosecuted:(1) the owner, lessee or occupant of the land on which the advertising sign is displayed;
(2) the owner of the advertising display panel.