Police Offences Act 1935

A person shall not place or cause to be placed in or upon any public place or in or upon the land of any other person any poisonous thing, that is to say, anything which has been mixed with or steeped in or impregnated with poison or any poisonous ingredient so as to be destructive to life.

A person shall not without reasonable excuse have in his possession any such poisonous thing.

An occupier of any land shall not place or cause to be placed any such poisonous thing upon such land without posting in a conspicuous place thereon notice that such thing has been so placed.

A person who contravenes subsection (1), (2), or (3) is guilty of an offence and is liable on summary conviction to a penalty not exceeding 5 penalty units or to imprisonment for a term not exceeding 6 months.

The foregoing provisions of this section shall not apply to any occupier of any building or the owner of any rick or stack of grain or other cultivated vegetable produce placing or causing to be placed any such poisonous thing for the destruction of rats, mice, or other small vermin in such building or in the drains connected therewith (provided such drains are so protected with gratings or otherwise as to prevent any dog entering the same) or within such rick or stack nor to any person laying or causing to be laid poison in accordance with the provisions of any Act.