EPA Releases List of Expiring Confidential Business Information Claims Under TSCA

Released April 24, 2026

U.S. Environmental Protection Agency (EPA) today announced the release of a publicly accessible list of Confidential Business Information (CBI) claims scheduled to expire under the Toxic Substances Control Act (TSCA). The list released today includes claims that will expire between June 22, 2026, and July 31, 2026. To maintain accuracy and provide timely updates, EPA will refresh the list on a monthly basis as claims continue to approach their expiration dates. Companies are strongly encouraged to carefully review the list and verify whether any of their claims are included.

To request extension of an expiring CBI claim, companies must submit a request electronically via CDX no later than 30 days prior to the expiration date of the claims. The request must include substantiation of the need to extend the period of CBI protection. EPA has deployed a new “TSCA Section 14(e) CBI Claim Extension Request” tool in CDX to collect these requests. If EPA does not receive a request for extension at least 30 days prior to the claim expiration, the agency is not required to safeguard the CBI from disclosure, and the information may be made public without further notice to the submitter.

The list of expiring CBI claims, along with additional guidance and resources, is available at https://www.epa.gov/tsca-cbi/cbi-claim-expiration. Further information from EPA will also be made available at this webpage, including announcements for any future potential webinars.