General Court 29 November 2012, Case T-491/07: Judgment of the General Court of 29 November 2012 — CB v Commission (Competition — Decision of an association of undertakings — Market for issuing payment cards in France — Decision finding an infringement of Article 81 EC — Tariff measures applicable to ‘new entrants’ — Membership fees and so-called ‘regulation of customer function’ and ‘sleeper member fee’ mechanisms — Relevant market — Object of the measures at issue — Restriction of competition by object — Article 81(3) EC — Manifest errors of assessment — Principle of sound administration — Proportionality — Legal certainty)

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