++++ 1. Action for annulment - Measures against which actions may be brought - Measures intended to have legal effects - Code of conduct on the financial control of structural measures (EEC Treaty, Art. 173) 2. Economic and social cohesion - Structural assistance - Financial control - Creation of obligations for Member States - Lack of competence of the Commission (EEC Treaty, Arts 130a et seq. and 155; Council Regulations Nos 2052/88, Art. 4, and 4253/88, Art. 23)