s 42 Conspiracy in trade disputes
(1) An agreement or combination by two or more persons to do or procure to be done any act in contemplation or furtherance of a trade dispute between employers and workmen shall not be punishable as a conspiracy if the act committed by one person would not be punishable as a crime. (2) An act done in pursuance of an agreement or combination by two or more persons, if done in contemplation or furtherance of a trade dispute, shall not be actionable unless the act, if done without any such agreement or combination, would be actionable. (3) Nothing in this section shall exempt from punishment any person guilty of a conspiracy for which a punishment is awarded by any written law. (4) Nothing in this section shall affect the law relating to riot, unlawful assembly, breach of the peace, or sedition or any offence against the Yang di-Pertuan Agong or any State Authority. (5) A crime for the purposes of this section means an offence for the commission of which the offender is liable, under the law making the offence punishable, to be imprisoned either absolutely or at the discretion of a court as an alternative to some other punishment.