WTO notification · TBT
United StatesAdopted, according to its latest notice
Official title
Significant New Use Rules on Certain Chemical Substances (24-5.5e)
The United States issued a correction on 19 October 2026 to the earlier TBT notification G/TBT/N/USA/2247. The measure was first notified on 21 November 2025. The comment period closed on 3 December 2025.
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Chemical substances; Environmental protection; Production in the chemical industry; Products of the chemical industry
Proposed rule - The Environmental Protection Agency (EPA) is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rulemaking to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.
Every notice about this measure published here, newest first. Each one is the notifying member's own text.
CorrigendumG/TBT/N/USA/2247/Add.1/Corr.1
Significant New Use Rules on Certain Chemical Substances (24-5.5e)
The Environmental Protection Agency (EPA) is making a correction to a final rule (notified as G/TBT/N/USA/2247/Add.1) that appeared in the Federal Register on 26 August 2026. The final rule established significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMNs) and Orders issued by EPA pursuant to TSCA. Subsequent to the publication, the Agency identified an error in a chemical name. The final rule correction is effective on 26 October 2026. 91 Federal Register (FR) 65461, 15 October 2026; Title 40 Code of Federal Regulations (CFR) Part 721: This correction and previous actions notified under the symbol G/TBT/N/USA/2247 are identified by Docket Number EPA-HQ-OPPT-2024-0281. The Docket Folder is available from Regulations.gov at and provides access to primary and supporting documents as well as comments received. Documents are also accessible from Regulations.gov by searching the Docket Number.
AddendumG/TBT/N/USA/2247/Add.1
Significant New Use Rules on Certain Chemical Substances (24-5.5e)
The Environmental Protection Agency (EPA) is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination. This rule is effective on 26 October 2026. For purposes of judicial review, this rule shall be promulgated at 1 p.m. Eastern Standard Time (EST) on 9 September 2026. 91 Federal Register (FR) 54992, 26 August 2026; Title 40 Code of Federal Regulations (CFR) Part 721: This final rule and the proposed rule notified as G/TBT/N/USA/2247 are identified by Docket Number EPA-HQ-OPPT-2024-0281. The Docket Folder is available from Regulations.gov at and provides access to primary and supporting documents as well as comments received. Documents are also accessible from…
Regular notificationG/TBT/N/USA/2247
Comment deadline: Closed on 3 December 2025
Significant New Use Rules on Certain Chemical Substances (24-5.5e)
Proposed rule - The Environmental Protection Agency (EPA) is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rulemaking to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.
Expodite writes its summary from the official record. The notification and the documents it notifies are on the WTO's own websites.
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