1 . APPLICATION FOR ANNULMENT - MEMBER STATES - RIGHT OF ACTION - POSITION TAKEN UP BY THE APPLICANT MEMBER STATE AT THE TIME WHEN THE CONTESTED ACT WAS ADOPTED - NO EFFECT ( EEC TREATY , ART . 173 , FIRST PARAGRAPH ) 2 . ACTS OF THE INSTITUTIONS - REGULATIONS - OBLIGATION TO STATE REASONS - LIMITS ( EEC TREATY , ART . 190 ) 3 . COUNCIL - DISCRETION - ASSESSMENT OF A COMPLEX ECONOMIC SITUATION - FINDINGS OF A GENERAL NATURE AS TO THE BASIC FACTS - LAWFULNESS 4 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - CEREALS - PREMIUM PAYABLE TO PRODUCERS OF POTATO STARCH - COMPLIANCE WITH THE OBJECTIVES OF THE COMMON AGRICULTURAL POLICY ( EEC TREATY , ART . 39 ; COUNCIL REGULATIONS NOS 1125/78 AND 1127/78 ) 5 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - DISCRIMINATION BETWEEN PRODUCERS OR CONSUMERS IN THE COMMUNITY - CONCEPT - GRANTING OF A PRODUCTION PREMIUM TO ONLY ONE BRANCH OF INDUSTRY - EXCLUSION - CONDITIONS ( EEC TREATY , ART . 40 ( 3 ), SECOND SUBPARAGRAPH )