District Court of Western Australia Act 1969

If an action is brought against a person for anything done under a writ or other process issued in pursuance of this Act, the production of the writ or other process under the seal of the Court in the action, is sufficient proof of the authority of the Court prior to the issuing of the writ or other process, and if the plaintiff in the action has a verdict given against him, is non suited or discontinues the action, the defendant shall be allowed full costs as between solicitor and client.