Amalgamated Society of Engineers v Adelaide Steamship Co Ltd

The High Court of Australia considered a dispute between the Amalgamated Society of Engineers and various respondents, including the Minister for Trading Concerns, the State Implement and Engineering Works, and the State Sawmills, all of Western Australia. The core of the dispute concerned whether an industrial dispute, as defined by the Commonwealth Conciliation and Arbitration Act, could exist between a union and State government trading concerns. The Western Australian entities argued that as governmental concerns, they were immune from such federal jurisdiction.

The legal issues before the Court were twofold: first, whether the Commonwealth Parliament possessed the constitutional power to enact laws binding on the States in relation to conciliation and arbitration for industrial disputes extending beyond one State; and second, whether a dispute involving State government trading concerns, if it would otherwise constitute an industrial dispute, could be considered such within the meaning of section 51(XXXV) of the Constitution.

A majority of the High Court, comprising Knox C.J., Isaacs, Higgins, Rich, and Starke JJ., held that the Commonwealth Parliament has the power under section 51(XXXV) of the Constitution to legislate with respect to conciliation and arbitration, and that this power extends to binding the States. The Court reasoned that the rules of constitutional interpretation require adherence to the plain meaning of the text, and that no implied prohibition against the exercise of a conferred power can arise. The Court affirmed the principle of the supremacy of Commonwealth legislation under section 109 of the Constitution, overturning previous decisions that had established a reciprocal immunity for State instrumentalities. The Court concluded that the nature of an industrial operation does not change based on whether it is conducted by a private employer or a State government, and therefore, disputes arising from such operations fall within the scope of Commonwealth industrial arbitration powers. Gavan Duffy J. dissented.