On November 8, 2024, the Supreme Court of Canada (SCC) confirmed in two companion decisions, Auer v Auer (Auer) and TransAlta Generation Partnership v Alberta (TransAlta),[1] that the robust reasonableness standard set out in Canada (Minister of Citizenship and Immigration) v Vavilov (Vavilov) is the presumptive standard for reviewing the vires of subordinate legislation, such as regulations.
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