Judgment of the Court (Fourth Chamber) of 9 November 2023.#Global Silicones Council and Others v European Commission.#Appeal – Regulation (EC) No 1907/2006 (REACH Regulation) – Registration, evaluation, authorisation and restriction of chemicals – Annex XVII – Updating – Restrictions on the manufacture, placing on the market and use of certain dangerous substances, mixtures and articles – Restrictions concerning octamethylcyclotetrasiloxane (D4) and decamethylcyclopentasiloxane (D5) – Persistent, bioaccumulative and toxic substances – Very persistent and very bioaccumulative substances