"The power to implement treaties to meet international obligations has remained a controversial issue in Canadian constitutional law for over half a century. Despite vigorous debate among distinguished academics and jurists over the merits of the Privy Council's reasoning in the Labour Conventions Case, the Supreme Court of Canada has, for all intents and purposes, remained silent on the matter. In contrast to Canada, Australia's High Court, in a series of judgments spanning fifty years, has clarified the law in a manner that, the authors submit, is both principled and realistic.