Opsis Airport and Quebec Maritime v. Attorney General of Quebec

The Supreme Court heard two cases - Quebec Maritime Services Inc., et al. v. Attorney General of Quebec, et al. and Opsis Airport Services Inc. v. Attorney General of Québec, et al.

Does Private Security Act apply to appellants’ marine security activities? Is the Act and its regulations constitutionally inapplicable to the appellants due to the doctrine of interjurisdictional immunity?

Does the Act interfere with the federal legislative power over “Navigation and Shipping” under section 91(10) of the Constitution Act? If the Act interferes with the the federal legislative power over “Navigation and Shipping”, does it make it constitutionally inapplicable to the appellants?

Is the federal legislative jurisdiction over “Navigation and Shipping” under section 91(10) of the Constitution Act impaired by the application of the Act to the appellants? Does the Private Security Act conflict with Parliament’s jurisdiction over aeronautics to the point of being constitutionally inapplicable?

Does the Private Security Act conflict with Parliament’s jurisdiction over aeronautics to the point of being constitutionally inapplicable? Do the Private Security Act and associated regulations apply to the appellant’s airport security activities, given their public and governmental nature?