Clause 42

Where the owner or occupier of any premises upon which an assembly or a procession is about to take place is given notice by any police officer that the assembly or procession is unlawful under Part II, and such assembly or procession does take place on those premises, the owner or occupier of those premises shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $5,000, unless he took all reasonable measures and exercised all due diligence to prevent the assembly or procession from taking place.