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According to the Chemicals (Health and Safety) (Amendment, Consequential and Transitional Provision) Regulations 2026 (UK SI 2026/484), which introduces significant amendments to several existing chemical frameworks, from 21 May 2026, the requirement to notify the UK HSE of the classification and labelling of substances placed on the Great Britain (GB) market is removed from the GB CLP (Classification, Labelling and Packaging) regulations.
Suppliers are no longer obligated to notify the Health and Safety Executive (HSE), and the requirement to establish and maintain a public notification database has been eliminated. Concurrently, the mandatory classification procedure has been simplified. Articles 37 and 37A of the GB CLP regulations have been replaced with a unified Article 37, which introduces a "fast-track proposal" mechanism. This fast-track applies to classification proposals from regional (including the EU) or national authorities that have adopted the GHS in a manner similar to the UK and maintain a transparent, public-consultation-based classification system.
The regulatory amendments officially came into force on May 21, 2026. To ensure a smooth transition, the regulations specify that the new mandatory classification procedures do not apply to ongoing proposals. Specifically, opinions published by the European Chemicals Agency's Risk Assessment Committee before the commencement day, as well as proposals received or produced by the HSE prior to May 21, 2026, are exempt from these new procedural changes.
These regulatory updates affect a broad segment of the industrial chemicals supply chain, encompassing chemical manufacturers, importers, downstream users, and exporters. Geographically, the regulations apply to Great Britain (England, Wales, and Scotland), with specific exemptions noted for manufacturers, importers, or downstream users established in Northern Ireland who supply qualifying Northern Ireland goods directly to Great Britain.
