Owens & Ors v Commonwealth of Australia

In the High Court of Australia, Ronald George Owens, Kevin Noel Reynolds, and Norman (the plaintiffs) brought proceedings against the Commonwealth of Australia (the defendant). The dispute concerned the validity of certain legislative amendments that extended the period of deregistration for an industrial organisation. The Attorney-General for Victoria intervened on behalf of the defendant.

The primary legal issues before the Court were the limits of the Commonwealth's legislative power under placitum (xxxv) of the Constitution, specifically concerning its incidental scope, and the extent to which a court can assume the constitutional facts upon which such legislation relies. The plaintiffs argued that the legislation, which extended a deregistration period from five to ten years based on events occurring after the initial deregistration, stretched the limits of the incidental power.

The plaintiffs contended that while legislation concerning the registration and deregistration of industrial organisations is generally incidental to the placitum (xxxv) power, the amendments in question were not appropriate and adapted to the object of conciliation and arbitration. They argued that the extended deregistration period and the conditions for re-registration, as amended by the Builders Labourers' Federation (Cancellation of Registration-Consequential Provisions) Act 1986, were imposed as a consequence of past conduct and were not sufficiently connected to the purpose of industrial peace or the achievement of the Act's objects. The plaintiffs sought to rely on a second reading speech to demonstrate the purpose of the legislation, though this was questioned by Brennan J.