The doctrine of paramountcy dictates s. 102 of Alberta Traffic Safety Act is inoperative to the extent it conflicts with the federal Bankruptcy and Insolvency Act, and in particular s. 178 (2). (slaw.ca)
Recently, the Ontario Court of Appeal in Canada Post Corporation v Hamilton (City)[1] had an opportunity to revisit the doctrine of federal paramountcy in the context of the most exciting of subjects: community mailboxes. (ruleoflaw.ca)
The two levels of government possess differing tools, capacities, and expertise, and the more flexible double aspect and paramountcy doctrines are alive to this reality: under these doctrines, jurisdictional cooperation is encouraged up until the point when actual conflict arises and must be resolved. (thetyee.ca)