California, United States of America
The following excerpt is from Marin Hospital Dist. v. Rothman, 139 Cal.App.3d 495, 188 Cal.Rptr. 828 (Cal. App. 1983):
"In the area of economic regulation, the [state and federal high courts have] exercised restraint, investing legislation with a presumption of constitutionality and requiring merely that distinctions drawn by a challenged statute bear some rational relationship to a conceivable legitimate state purpose." (Serrano v. Priest, 5 Cal.3d 584, 597, 96 Cal.Rptr. 601, 487 P.2d 1241, cert. den. 432 U.S. 907, 97 S.Ct. 2951, 53 L.Ed.2d 1079; emphasis added.)
The rule will, of course, apply to tax legislation, of which it is authoritatively said:
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