Judgment of the Court (Seventh Chamber) of 24 March 2022.#Hermann Albers eK v European Commission.#Appeal – State aid – Concept of ‘aid’ – Public transport of passengers – Offsetting of costs involved in the performance of public service obligations – Transfer of financial resources between public authorities – Obligation for municipal authorities that organise transport to guarantee reduced tariffs for students and apprentices – Lack of an advantage granted by the State to an undertaking – Obligation to notify.#Case C-656/20 P.