Injuring employer on account of industrial action
83.  An employee who ceases work in the service of his employer by reason of the circumstance that the employer —
(a)is an officer or member of a trade union or of an association that has applied for registration as a trade union;
(b)is entitled to the benefit of a collective agreement or an award; or
(c)has appeared as a witness, or has given any evidence, in a proceeding under this Act,
shall be guilty of an offence and shall be liable on conviction by a Magistrate’s Court to a penalty not exceeding $1,000.