Any person who contravenes or fails to comply with a provision of regulation 2(1), (4), (5), (8), (9) or (12), 3, 4, 5, 6, 7, 8 or 9 or contravenes a notice under regulation 2(7)(b) or (10)(b) or (12) shall be guilty of an offence and liable on conviction to a fine not exceeding R1000 or to imprisonment for a period not exceeding six months, and, in the case of a continuous offence, with an additional fine of R5 or additional imprisonment of one day for each day on which the offence continues: Provided that the period of such additional imprisonment shall in no case exceed 90 days.