1 . ACTION FOR FAILURE OF A STATE TO FULFIL OBLIGATIONS - PROCEDURE PRIOR TO THE APPLICATION TO THE COURT - FORMAL INVITATION TO SUBMIT OBSERVATIONS - DEFINITION OF THE SUBJECT-MATTER OF THE DISPUTE - REASONED OPINION - DETAILED LIST OF COMPLAINTS - PERMISSIBILITY ( EEC TREATY , ART . 169 ) 2.APPROXIMATION OF LAWS - PROCEDURES FOR THE AWARD OF PUBLIC WORKS CONTRACTS - AWARD OF CONTRACTS - CRITERIA - THE MOST ECONOMICALLY ADVANTAGEOUS TENDER ( COUNCIL DIRECTIVE 71/305/EEC , ART . 29 ( 1 )) 3.MEMBER STATES - IMPLEMENTATION OF DIRECTIVES - OBLIGATION TO PROVIDE INFORMATION - FAILURE TO PROVIDE INFORMATION - FAILURE TO FULFIL OBLIGATIONS ( EEC TREATY , ARTS 5 AND 155 )