01/15/2026
Today, OSHA announced that it is extending the compliance dates with its update to the Hazard Communication Standard (HCS) final rulemaking. Manufacturers, importers, and distributors were required to evaluate certain substances by January 19, 2026, but that deadline is now May 19, 2026.
The final rule updates HCS to align with the latest revision of the United Nations’ Globally Harmonized System (GHS) published on May 20, 2024, with effect on July 19, 2024. It will also improve alignment with other federal agencies and Canada.
The HCS update increases worker protection by improving the information on the labels and safety data sheets (SDS) for hazardous chemicals.
Employers will have to update their Hazard Communication Standard policies and programs to align with the latest revision. Regulatory enforcement will follow soon after.
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