Case C-558/21 P: Judgment of the Court (Fourth Chamber) of 9 November 2023 — Global Silicones Council, Wacker Chemie AG, Momentive Performance Materials GmbH, Shin-Etsu Silicones Europe BV, Elkem Silicones France SAS v American Chemistry Council, Inc. (ACC), European Commission, Federal Republic of Germany, United Kingdom of Great Britain and Northern Ireland, European Parliament, Council of the European Union, European Chemicals Agency (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 — Unacceptable risks)