Case C-117/20: Judgment of the Court (Grand Chamber) of 22 March 2022 (request for a preliminary ruling from the Cour d’appel de Bruxelles — Belgium) — bpost SA v Autorité belge de la concurrence (Reference for a preliminary ruling — Competition — Postal services — Tariff system adopted by a universal service provider — Fine imposed by a national postal regulator — Fine imposed by a national competition authority — Charter of Fundamental Rights of the European Union — Article 50 — Non bis in idem principle — Existence of the same offence — Article 52(1) — Limitations to the non bis in idem principle — Duplication of proceedings and penalties — Conditions — Pursuit of an objective of general interest — Proportionality)