Huddart, Parker & Co Pty Ltd v Moorehead is a leading decision by the High Court of Australia that dealt with two issues under the Australian Constitution, the identification and extent of judicial power that is vested in the courts and the corporations power of the Parliament. The Court unanimously held that the inquiry provisions of the Australian Industries Preservation Act 1906 were not an exercise of judicial power. The judgement of Griffith CJ in particular continues to be cited in relation to its examination of the identification and extent of judicial power. The court however divided on the proper approach to the corporations power. The majority, Griffith CJ, Barton & O'Connor JJ, strongly influenced by the now discredited doctrine of reserved State powers, held that the corporatio