18(1)
Where an offence committed by a body corporate under section ... 17 of this Act is proved to have been committed with the consent or connivance of any director, manager, secretary or other similar officer of the body corporate, or any person who was purporting to act in any such capacity, he as well as the body corporate shall be guilty of that offence, and shall be liable to be proceeded against and punished accordingly.
18(2)
Where the affairs of a body corporate are managed by its members, this section shall apply in relation to the acts and defaults of a member in connection with his functions of management as if he were a director of the body corporate.