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January 9, 2026

EPA Intends to Notify Companies Beginning in Spring 2026 of Expiring TSCA Claims

As reported in our September 12, 2025, blog item, under the 2016 Frank R. Lautenberg Chemical Safety for the 21st Century Act (Lautenberg Act) amendments to the Toxic Substances Control Act (TSCA), most confidential business information (CBI) claims will expire after ten years unless reasserted and substantiated. This means that a CBI claim made in 2016 will expire in 2026 unless the claim is reasserted and resubstantiated before the end of the ten-year period. The U.S. Environmental Protection...
September 12, 2025

TSCA CBI Substantiations Will Begin to Expire in 2026

Under the 2016 Frank R. Lautenberg Chemical Safety for the 21st Century Act (Lautenberg Act) amendments to the Toxic Substances Control Act (TSCA), most confidential business information (CBI) claims will expire after ten years unless reasserted and substantiated. This means that a CBI claim made in 2016 will expire in 2026 unless the claim is reasserted and resubstantiated before the end of the ten-year period. The U.S. Environmental Protection Agency (EPA) issued in June 2023 a final rule with...