Case T-1/23: Judgment of the General Court of 6 September 2023 — Enmacc v Commission (Public supply contracts — Procurement procedure — Organisation of demand aggregation and tendering of gas under the EU Energy Platform — Negotiated procedure without prior publication of a contract notice — Refusal of a request to participate in the procedure — Obligation to state reasons — Article 164(5)(f) of, and point 11.1(c) of Annex I to, Regulation (EU, Euratom) 2018/1046 — Transparency — Equal treatment)