Case T-492/21: Judgment of the General Court of 15 February 2023 — Aquind and Others v ACER (Energy — Competence of the ACER — Withdrawal of the United Kingdom from the European Union — Error of law — Article 2(1) of Regulation (EU) 2019/943 — Article 92 of the Withdrawal Agreement — Ad hoc exemption regime under Article 308 of and Annex 28 to the Trade and Cooperation Agreement)