US lawCaliforniaStatutesCode hscDivision 12Part 2Chapter 6Article 113243.3Cal. HSC § 13243.3Cal. HSC § 13243.3Last amended: 1994Year: 2025Length: 21 wordsOfficial source Any requirements adopted as provisions of the federal Clean Air Act (42 U.S.C. Sec. 7401 et seq.) shall supersede this measure.Cross-references to the US Code42:7401PreviousCal. HSC § 13243NextCal. HSC § 13243.6