—(1) Without prejudice to section 18, no person (other than a road authority) shall, except with the approval of the Commissioner granted under section 20 and in accordance with the terms and conditions of such approval —
alter, close up or remove any heritage road green buffer;
erect or place any structure or object in, above, across or under any heritage road green buffer; or
erect, construct or lay within any heritage road green buffer any fence, retaining wall, foundation, manhole, pipe, cable, mains or any obstruction or structure (whether temporary or permanent).
(2) Any person who, without reasonable cause, contravenes subsection (1) shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $50,000 and, in the case of a continuing offence, to a further fine of $500 for every day or part thereof during which the offence continues after conviction.
(3) The road authority shall, before carrying out within a heritage road green buffer any work or activity in the performance of any function or discharge of any duty conferred on the road authority by or under any written law, consult the Board in respect thereof.