STOP PRESS: the Chemicals (Health and Safety) (Amendment, Consequential and Transitional Provision) Regulations 2026, SI 2026/474, revoke Chapter 2 of Title V of the GB CLP Regulation (Articles 39–42), which makes provision for notification requirements on suppliers and associated requirements for the HSE to establish and manage a publicly accessible database of the notifications it receives from 21 May 2026. Background to the Great Britain Classification, Labelling and Packaging Regulation Trade in substances and mixtures is not only an issue relating to the market in Great Britain (GB), but also to the global market. Prior to the enactment of Regulation (EC) 1272/2008 (the EU Classification, Labelling and Packaging Regulation (EU CLP Regulation)) in 2009, harmonised criteria for the classification and labelling had already been developed at a global level within the United Nations (UN) structure, resulting in the Globally Harmonised System of Classification and Labelling of Chemicals (GHS), with a view to facilitating worldwide trade while protecting human health and the environment. The EU CLP Regulation entered into force on 20 January 2009 in the EU (then including