1 . NON-CONTRACTUAL LIABILITY - CONDITIONS - LEGISLATIVE MEASURE INVOLVING CHOICES OF ECONOMIC POLICY - SUFFICIENTLY SERIOUS BREACH OF A SUPERIOR RULE OF LAW ( EEC TREATY , ART . 215 , SECOND PARA .) 2 . MEASURES ADOPTED BY THE INSTITUTIONS - STATEMENT OF REASONS - PURPOSE - EXERCISE OF JUDICIAL POWERS OF REVIEW AS TO LEGALITY - NON-CONTRACTUAL LIABILITY OF THE COMMUNITY BASED ON INADEQUATE STATEMENT OF REASONS - ABSENCE ( EEC TREATY , ART . 173 ) 3 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MUTTON , LAMB AND GOAT ' S MEAT - VARIABLE SLAUGHTER PREMIUM - EQUIVALENT AMOUNT CHARGED ON EXPORTS TO ANOTHER MEMBER STATE ( ' ' CLAW-BACK ' ' ) - PURPOSE - WHETHER IN THE NATURE OF A CHARGE HAVING AN EFFECT EQUIVALENT TO A CUSTOMS DUTY - NO ( COUNCIL REGULATION ( EEC ) NO 1837/80 , ART . 9 ( 3 )) 4 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - DISCRIMINATION BETWEEN PRODUCERS OR CONSUMERS - CONCEPT - INTERVENTION METHODS WHICH DIFFER ACCORDING TO COMMUNITY REGION - NON-DISCRIMINATORY ( EEC TREATY , ART . 40 ( 3 )) 5 . AGRICULTURE - COMMON AGRICULTURAL POLICY - AIMS - STABILIZATION OF MARKETS - CONCEPT ( EEC TREATY , ART . 39 )