Case C-49/07: Judgment of the Court (Grand Chamber) of 1 July 2008 (reference for a preliminary ruling from the Diikitiko Efetio Athinon, Greece) — Motosykletistiki Omospondia Ellados NPID (MOTOE) v Elliniko Dimosio (Articles 82 EC and 86 EC — Concept of undertaking — Non-profit-making association representing, in Greece, the International Motorcycling Federation — Concept of economic activity — Special legal right to give consent to applications for authorisation to organise motorcycling events — Exercise in parallel of activities such as the organisation of motorcycling events and the conclusion of sponsorship, advertising and insurance contracts)