him by, or wilfully makes any false statement to, a board; or
(b) refuses or fails to comply to the best of his ability with any lawful requirement made by a board;
in the exercise of its powers or the execution of its duties under this Part, shall be guilty of an offence.
(2) Any person who—
(a) threatens, resists, hinders or obstructs, or uses foul, abusive or insulting language towards, or at, a board while the board is exercising its powers or executing its duties under this Part; or
(b) falsely holds himself out to be a member of a board; or
(c) without lawful excuse, having been summoned under paragraph (b) of subsection (4) of section sixty-nine—
(i) refuses or fails to attend or to produce books or papers in obedience to the summons; or
(ii) having so attended, refuses to be examined upon oath or to take the oath; or
(iii) having taken the oath, refuses to answer such questions as are lawfully put to him; shall be guilty of an offence.
(3) Any person who, having taken an oath under paragraph (a) of subsection (4) of section sixty-nine, makes a false statement of fact material to any question under investigation by a board, knowing such statement to be false or not knowing or believing it to be true, shall be guilty of an offence and liable to a fine not exceeding two thousand dollars or to imprisonment for a period not exceeding three years or to both such fine and such imprisonment.
(4) Any member or employee referred to in section seventy-one who fails to comply with that section shall be guilty of an offence.
(5) A conviction for an offence in terms of this section shall not exempt the person convicted from liability to do or perform the act, matter or thing required to be done or performed by him.