Finally, a rather nebulous exception exists for statutes whose object is to remedy some evil for the protection of the public: Acme (Village) School District No. 2296 v. Steele Smith, 1932 CanLII 40 (SCC), [1933] S.C.R. 47, in which a statute requiring an inspector's approval before a teacher could be given notice of termination was held to be retroactive.
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