++++ 1. Procedure ° Time-limits ° Extension on account of distance ° Application to the Community institutions ° Rules (Rules of Procedure of the Court of Justice, Art. 81(2); Annex II, Art. 1) 2. Acts of the institutions ° Presumption of validity ° Non-existent act ° Concept (EEC Treaty, Art. 189) 3. Commission ° Principle of collegiate responsibility ° Scope (Merger Treaty, Art. 17) 4. Competition ° Administrative procedure ° Decision establishing an infringement ° Statement of reasons ° Obligation of the college ° Amendment after adoption ° Illegality (EEC Treaty, Arts 85 et seq. and 190; Merger Treaty, Art. 17; Council Regulation No 17, Arts 3(1) and 15(2)(a)) 5. Competition ° Administrative procedure ° Decision establishing an infringement ° Adoption by way of habilitation ° Breach of the principle of collegiality ° Illegality (EEC Treaty, Art. 85 et seq.; Merger Treaty, Art. 17; Council Regulation No 17, Arts 3(1) and 15(2)(a)) 6. Actions for annulment of measures ° Pleas ° Infringement of essential procedural requirements ° Infringement of the provisions of the Commission' s Rules of Procedure relating to the authentication of its measures in the languages which are binding (EEC Treaty, Art. 173; Merger Treaty, Art. 17; Commission' s Rules of Procedure, Art. 12)