290Industrial disputes

290 Industrial disputes Notwithstanding anything contained in section 293, no act done, omission made or event caused by any 2 or more persons in contemplation or furtherance of any industrial dispute and no agreement or combination by any 2 or more persons to do any act, make any omission or cause any event or to procure any act to be done, omission to be made or event to be caused in contemplation or furtherance of any industrial dispute, shall render any of such persons guilty of an offence if such act, omission or event when done, made or caused by an individual person would not have rendered such person guilty of an offence.