Judgment of the Court (Seventh Chamber) of 24 March 2022.#Gesamtverband Verkehrsgewerbe Niedersachsen eV (GVN) v European Commission.#Appeal – State aid – Concept of ‘aid’ – Public passenger transport – Compensating the costs related to the performance of public service obligations – Transfer of financial resources between public authorities – Obligation for the municipal transport authorities to determine reduced tariffs for students and apprentices – No advantage granted by the State to an undertaking – Concept of ‘undertaking’.#Case C-666/20 P.