OEHHA adopts amendments to Proposition 65 ‘clear and reasonable warnings’ regulations (effective Jan 1, 2025)

The Office of Administrative Law approved OEHHA’s rulemaking updating the Proposition 65 ‘clear and reasonable warnings’ regulation (safe harbor warning methods and content). The amendments became effective January 1, 2025, impacting how businesses may structure compliant warnings (including content and format elements) for listed-chemical exposures in California.