++++ 1. Community law ° Principles ° Legal certainty ° Application by the Commission of competition rules ° Compliance in adopting an individual decision with the interpretation of a regulation on block exemption set out in a Commission communication 2. Competition ° Agreements, decisions and concerted practices ° Prohibition ° Block exemption ° Regulation No 123/85 ° Article 3(11) ° Involvement of an intermediary between the distributor and the final consumer ° Authorized intermediary ° Concept (Commission Regulation No 123/85, Art. 3(11))