1 . APPLICATION FOR A DECLARATION OF NULLITY - APPLICATION IN RESPECT OF A MEASURE RELATING SIMULTANEOUSLY AND INDIVISIBLY TO THE SPHERES OF MORE THAN ONE TREATY - ADMISSIBILITY WITH REGARD TO ONE OF THOSE TREATIES - SUFFICIENT REQUIREMENT ( ECSC TREATY , ART . 33 , EEC TREATY , ART . 173 , EURATOM TREATY , ART . 146 ) 2.APPLICATION FOR A DECLARATION OF NULLITY - APPLICATION BASED ON ARTICLE 33 OF THE ECSC TREATY - APPLICATION MADE BY A LOCAL AUTHORITY - NOT ADMISSIBLE ( ECSC TREATY , ART . 33 ) 3.APPLICATION FOR A DECLARATION OF NULLITY - NATURAL AND LEGAL PERSONS - MEASURES OF DIRECT AND INDIVIDUAL CONCERN TO THEM - COMMISSION DECISION ADDRESSED TO A MEMBER STATE AND REQUIRING , IN RETURN FOR THE RIGHT TO GRANT AIDS , THE ADOPTION OF MEASURES TO REDUCE PRODUCTION CAPACITY IN AN INDUSTRIAL SECTOR - DECISION NOT OF DIRECT AND INDIVIDUAL CONCERN TO THE MUNICIPALITIES IN WHICH THE FACTORIES OF THE UNDERTAKING AFFECTED ARE LOCATED ( EEC TREATY , ART . 173 ( 2 )