Prop 65On Friday, Oct. 27, 2023, California’s Office of Environmental Health Hazard Assessment (OEHHA) announced a Notice of Proposed Rulemaking regarding its Proposition 65 short-form safe harbor warnings communication methods and content.

The proposal will revamp the warning language businesses will need to need to place on their products when warning consumers and users about health hazards related to chemicals present in the product.

The proposal also includes changes to the following issues:

  1. New signal word requirements
  2. The label size and package size requirements when using short form warnings
  3. The new short-form font type size requirements
  4. Requirements on a business’s ability to warn consumers through a catalog or website
  5. Specific content and communication requirements for off-road equipment and parts

The rulemaking restarts the effort to revamp the short form safe harbor warnings that OEHHA ended in May of 2021. OEHHA’s first public hearing related to the new amendments is scheduled on Dec. 13, 2023, at 10 AM PST. Comments are due by Dec. 20, 2023.

If you, or your organization, are interested in learning more, please reach out to AEM Senior Director of Safety & Product Leadership Jason Malcore at, or sign up to attend the Substance Compliance Council.

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