La jurisprudence constitutionnelle fédérale que je connais repose sur trois affaires, Crown Zellerbach, Oldman River et Hydro-Québec, dont aucune ne porte sur cette question.
The evolution of the federal constitutional jurisdiction of which I am aware comes out of the trilogy of cases, Crown Zellerbach, Oldman River and Hydro-Québec, none of which addressed that issue.