1 . REFERENCES FOR A PRELIMINARY RULING - JURISDICTION OF THE COURT - LIMITS ( EEC TREATY , ART . 177 ) 2 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - PRICE FORMATION - NATIONAL MEASURES - INCOMPATIBILITY WITH COMMUNITY RULES - CRITERIA 3 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - PIGMEAT - BEEF AND VEAL - SELLING PRICE TO THE CONSUMER - MAXIMUM GROSS PROFIT MARGIN - UNILATERAL FIXING THEREOF BY A MEMBER STATE - PERMISSIBLE - CONDITIONS ( REGULATION NO 121/67/EEC AND REGULATION ( EEC ) NO 805/68 OF THE COUNCIL )