Opinion of Advocate General Wahl delivered on 27 March 2014.

Groupement des cartes bancaires (CB) v European Commission.#Appeal — Competition — Agreements, decisions and concerted practices — Article 81(1) EC — Payment cards system in France — Decision by an association of undertakings — Issuing market — Pricing measures applicable to ‘new entrants’ — Membership fee, mechanism for ‘regulating the acquiring function’ and ‘dormant member “wake-up”’ mechanism — Concept of restriction of competition ‘by object’ — Examination of the degree of harm to competition.#Case C‑67/13 P.
Opinion of Advocate General Wahl delivered on 27 March 2014