++++ 1. Plea of illegality ° Plea raised, in an action for the annulment of a decision, against a previous decision not challenged within the time-limit ° Inadmissible (EEC Treaty, Arts 173 and 184) 2. Actions for annulment of measures ° Measures against which actions may be brought ° Definition ° Measures producing legal effects ° Commission decision extending the validity of the Community framework for State aid in an economic sector beyond its expiry date (EEC Treaty, Art. 173) 3. State aid ° Examination by the Commission ° Establishment of a framework for aid in an economic sector ° Necessary temporal limitation (EEC Treaty, Art. 93(1)) 4. Community law ° Interpretation ° Methods