1 . ACTS OF AN INSTITUTION - LEGAL NATURE - PROVISION AMENDING A REGULATION - IN THE NATURE OF A REGULATION ( REGULATION ( EEC ) NO 3331/74 OF THE COUNCIL , ART . 2 ; COUNCIL REGULATION ( EEC ) NO 298/78 ) 2 . APPLICATION FOR ANNULMENT - NATURAL OR LEGAL PERSONS - MEASURE OF DIRECT AND INDIVIDUAL CONCERN TO THEM - CRITERIA ( EEC TREATY , ART 173 , SECOND PARAGRAPH )