Judgment of the Court (Third Chamber) of 10 July 2025.#Liège Airport Security v État belge, représenté par le Ministre de l’Intérieur.#Request for a preliminary ruling from the Cour de cassation.#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.#Case C-783/23.