Case C-783/23, Liège Airport Security: Judgment of the Court (Third Chamber) of 10 July 2025 (request for a preliminary ruling from the Cour de cassation – Belgium) – Liège Airport Security v État belge (Reference for a preliminary ruling – Transport – Air transport – Regulation (EC) No 300/2008 – Civil aviation security – Article 4 – Common basic standards – Article 9 – Appropriate authority – Member State’s obligation to designate a single authority to be responsible for the coordination and monitoring of the implementation of safety standards – Scope – National authority responsible for ensuring compliance with national regulations governing the exercise of private safety activities)