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ARTICLE · 27 JANUARY 2026

OSHA Extends Hazard Communication Standard Compliance Dates

The U.S. Occupational Safety and Health Administration (OSHA) published a final rule on January 15, 2026, extending the compliance dates in its Hazard Communication Standard...

United StatesEmployment and HR

The U.S. Occupational Safety and Health Administration (OSHA) published a final rule on January 15, 2026, extending the compliance dates in its Hazard Communication Standard (HCS) (29 C.F.R. Section 1910.1200), published in the Federal Register on May 20, 2024 (89 Fed. Reg. 44144), by four months. 91 Fed. Reg. 1695. The May 2024 final rule adopts a tiered approach to compliance and includes two sets of compliance dates for chemical manufacturers, importers, and distributors evaluating substances and mixtures. According to OSHA, members of the regulated community asked for additional guidance to comply with the updated HCS. Although OSHA has been working to issue final guidance about the updated HCS for both the regulated community and agency personnel, it states that it has not been able to complete these documents with sufficient time before the initial compliance date of January 19, 2026. OSHA determined that it is necessary to extend the initial compliance date by

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