Judgment of the Court (Fifth Chamber) of 24 June 2021.#DB Netz AG v Bundesrepublik Deutschland.#Reference for a preliminary ruling – Rail transport – International rail freight corridors – Regulation (EU) No 913/2010 – Article 13(1) – Establishment of a one-stop shop for each freight corridor – Article 14 – Nature of the framework for the allocation of the infrastructure capacity on the freight corridor laid down by the executive board – Article 20 – Regulatory bodies – Directive 2012/34/EU – Article 27 – Procedure for submitting applications for infrastructure capacity – Role of infrastructure managers – Articles 56 and 57 – Functions of the regulatory bodies and cooperation between regulatory bodies.#Case C-12/20.