Hazard Communication Standard Compliance Dates Extension

Summary: OSHA is extending by four months the compliance dates for amendments to its Hazard Communication Standard that were published on May 20, 2024 (89 FR 44144). Original compliance dates ranged from January 2026 to January 2028, depending on whether the requirements apply to pure substances or mixtures. [Full Text – 91 FR 1695]

Citations: 9 CFR 1910.1200(j)(2)(i), 29 CFR 1910.1200(j)(2)(ii), 29 CFR 1910.1200(j)(3)(i), 29 CFR 1910.1200(j)(3)(ii)

Date Posted: 1/15/2026
Date Effective: 01/15/2026
Type of Action: Final Rule