++++ 1 . Action for annulment - Action against a measure based on the EEC Treaty - Submissions - Infringement of the EAEC or ECSC Treaties - Admissibility ( EEC Treaty, Art . 173, first paragraph ) 2 . Measures adopted by institutions - Choice of legal basis - Criteria 3 . Measures adopted by institutions - Statement of the reasons on which they are based - Obligation - Scope ( EEC Treaty, Art . 190 ) 4 . Common commercial policy - Scope - Importation of agricultural products - Determination of maximum permitted levels of radioactive contamination - Inclusion ( EEC Treaty, Art . 113; Council Regulation No 3955/87 )