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Editor’s Note: This post has been updated to reflect 2018 revisions to the Prop 65 regulations, which for the first time allocated responsibility for compliance within the supply chain. These revisions place the primary responsibility for compliance on manufacturers, distributors

It’s been about six months since the new Prop 65 regulations allocated the primary responsibility for providing warnings to suppliers, manufacturers, distributors, and importers, while limiting retailers’ responsibility to limited, specified circumstances. Many wondered what impact these new regulations would have on the enforcement of Prop 65 against retailers. Six months in, the answer still isn’t clear.

At long last, it’s here—OEHHA’s long-awaited amendments to the Proposition 65 “clear and reasonable warning” regulations become mandatory for products manufactured on and after August 30, 2018.

As we are sure you’ve probably heard ad nauseam by now, the revisions make two key changes to the Proposition 65 regulations: (1) for the first time, they allocate responsibility for warnings among suppliers and retailers; and (2) they make several substantive changes to the content and methods of transmission for “safe harbor” warnings.