No action shall lie against any Justice of the Peace, Officer of Police, Policeman, Constable, Peace Officer, or any other person in the employ of the Government authorized to carry the provisions of this Act, or any of them, into effect, or any person acting for, or under such persons, or any of them, on account of any act, matter, or thing done, or to be done, or commanded by them, or any of them, in carrying the provisions of this Act into effect again[st] any parties offending or suspected of offending against the same, unless there is direct proof of corruption or malice; and if any such person shall be sued for any act, matter, or thing which he shall have so done, or shall so do, in carrying the provisions of this Act into effect, he may plead the general issue and give the special matter in evidence; and in case of judgment after verdict, or by a Judge sitting as a jury, or on demurrer being given for the defendant, or of the plaintiff discontinuing, or becoming non-suit in any such action, the Court before which the action was brought may award treble costs to the defendant or such portion of those costs as the Court thinks fit.
The respondent pleaded that:
at all material times he was acting in pursuance of his public duties as an officer in the Western Australian Police Force in carrying into effect the provisions of the Police Act against parties suspected of offending against the same and at all material times [he] was acting in good faith and without corruption or malice.
1. It does so in accordance with s. 47(2) of the Interpretation Act 1918. The Interpretation Act 1984 WA repealed the earlier Act but maintained incorporations existing before the repeal.