WTO notification · TBT
United KingdomAdopted, according to its latest notice
Official title
Proposed Great Britain (GB) mandatory classification and labelling of 30 hazardous chemical substances
The United Kingdom issued an addendum on 6 October 2025 to the earlier TBT notification G/TBT/N/GBR/101. Addenda often report that a measure was adopted, changed, postponed or withdrawn. The measure was first notified on 7 April 2025. The comment period closed on 6 June 2025.
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Published here:
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Hazardous substances
Latest notice (G/TBT/N/GBR/101/Add.1, 6 October 2025)
The latest notice says the measure was adopted or published.
Great Britain (GB) mandatory classification and labelling of 30 hazardous chemical substances
The Ministerial decision, made with consent of the Devolved Governments (Scottish and Welsh Government Ministers), was adopted on 12 September 2025, published on 23 September 2025, and enters into force on 23 September 2025 (voluntary), 23 March 2027 (mandatory). The classification (Article 15 of the GB CLP Regulation) and labelling (Article 30 of the GB CLP Regulation) of the new/revised GB MCLs for the 30 substances should be reviewed and updated by duty holders without undue delay. Compliance with the amended 30 GB MCLs must be completed by 22 March 2027.
The purpose of this proposal is to amend the GB mandatory classification and labelling list (the GB MCL list), following review, by introducing new and revised entries for the mandatory classification and labelling of 30 hazardous chemical substances.
Every notice about this measure published here, newest first. Each one is the notifying member's own text.
AddendumG/TBT/N/GBR/101/Add.1
Great Britain (GB) mandatory classification and labelling of 30 hazardous chemical substances
The Ministerial decision, made with consent of the Devolved Governments (Scottish and Welsh Government Ministers), was adopted on 12 September 2025, published on 23 September 2025, and enters into force on 23 September 2025 (voluntary), 23 March 2027 (mandatory). The classification (Article 15 of the GB CLP Regulation) and labelling (Article 30 of the GB CLP Regulation) of the new/revised GB MCLs for the 30 substances should be reviewed and updated by duty holders without undue delay. Compliance with the amended 30 GB MCLs must be completed by 22 March 2027.
Regular notificationG/TBT/N/GBR/101
Comment deadline: Closed on 6 June 2025
Proposed Great Britain (GB) mandatory classification and labelling of 30 hazardous chemical substances
The purpose of this proposal is to amend the GB mandatory classification and labelling list (the GB MCL list), following review, by introducing new and revised entries for the mandatory classification and labelling of 30 hazardous chemical substances.
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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