15. A person shall not, without reasonable excuse—
(a) fail to comply with a requirement under paragraph 12 (4) (b); or
(b) hinder or obstruct an inspector in the exercise of his or her powers, or the performance of his or her duties, under this Act or the regulations.
Penalty:
(a) for a contravention of paragraph (a)—$500;
(b) for a contravention of paragraph (b)—$5,000 or imprisonment for 6 months, or both.