Case T-121/23: Order of the General Court of 22 December 2023 — Exxonmobil Petroleum & Chemical v Commission and ECHA (Action for annulment — REACH — Establishment of a list of substances identified for eventual inclusion in Annex XIV to Regulation (EC) No 1907/2006 — Letter requesting that the Commission ask ECHA to re-examine the inclusion of phenanthrene on that list — Commission’s refusal to make a request to ECHA to prepare a dossier in accordance with Annex XV to Regulation No 1907/2006 — Act not open to challenge