s.33 – Exception where Express Declaration (override provision)
- Devine v. Quebec (A.G.), [1988] 2 S.C.R. 790 (Provincial legislation regulating use of French in commerce and business)
- Ford v. Quebec (A.G.), [1988] 2 S.C.R. 712 (Provincial legislation requiring that signs, commercial advertising and firm name should be in French only) (standard override provision given retrospective effect)
- Irwin Toy Ltd. v. Quebec (A.G.), [1989] 1 S.C.R. 927 (Provincial legislation prohibiting commercial advertising directed at persons under thirteen years of age)