1 . APPLICATION FOR A DECLARATION THAT A MEMBER STATE HAS FAILED TO FULFIL ITS OBLIGATIONS - NON-COMPLIANCE WITH A COMMISSION DECISION ON STATE AID - DECISION NOT CHALLENGED BY WAY OF AN APPLICATION FOR ITS ANNULMENT - SUBMISSIONS IN DEFENCE - SUBMISSION QUESTIONING THE LEGALITY OF THE DECISION - INADMISSIBILITY - ABSOLUTE IMPOSSIBILITY OF IMPLEMENTATION - ADMISSIBILITY ( EEC TREATY , FIRST AND SECOND SUBPARAGRAPHS OF ART . 93 ( 2 ) AND THIRD PARAGRAPH OF ART . 173 ) 2 . AID GRANTED BY STATES - COMMISSION DECISION FINDING AN AID TO BE INCOMPATIBLE WITH THE COMMON MARKET - DIFFICULTIES OF IMPLEMENTATION - OBLIGATION ON THE PART OF THE COMMISSION AND THE MEMBER STATE TO COOPERATE IN SEEKING A SOLUTION CONSISTENT WITH THE TREATY ( EEC TREATY , ART . 5 AND FIRST SUBPARAGRAPH OF ART . 93 ( 2 ))