Australian Boot Trade Employees Federation v Whybrow & Co, commonly known as Whybrow's case or the Boot Trades case was the third of a series of decisions of the High Court of Australia in 1910 concerning the boot manufacturing industry and the role of the Commonwealth Court of Conciliation and Arbitration in preventing and settling industrial disputes. In doing so the High Court considered the constitutional power of the Federal Parliament to provide for common rule awards and the jurisdiction of the High Court to grant prohibition against the Arbitration Court. The majority held in Whybrow (No 1) that the Arbitration Court could not make an award that was inconsistent with a State law, but that different minimum wages were not inconsistent as it was possible to obey both laws. In Whybrow