Case C-761/22, Verband Wirtschaft im Wettbewerb: Order of the Court (Eighth Chamber) of 5 October 2023 (request for a preliminary ruling from the Landgericht Bochum — Germany) — Verband Wirtschaft im Wettbewerb Verein für Lauterkeit in Handel und Industrie e.V. v Roller GmbH & Co. KG (Reference for a preliminary ruling — Article 99 of the Rules of Procedure of the Court of Justice — Reply which admits of no reasonable doubt — Energy — Framework for energy labelling — Regulation (EU) 2017/1369 — Article 6, first paragraph, point (a) — Obligation on suppliers and dealers of a product to make reference, in their visual advertisements, to the energy efficiency class of that product and the range of energy efficiency classes shown on the label for the product group concerned — Direct applicability of that obligation — Margin of discretion available to those suppliers and dealers to comply with that obligation in the absence of the adoption of a delegated act on the basis of that regulation)