1 . REFERENCES FOR A PRELIMINARY RULING - JURISDICTION OF THE COURT - LIMITS ( EEC TREATY , ARTICLE 177 ) 2 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKET - INFRINGEMENT BY THE MEMBER STATES OF THE COMMUNITY RULES - NOT PERMISSIBLE ( EEC TREATY , ARTICLE 40 ) 3 . MEASURES ADOPTED BY AN INSTITUTION - ADOPTION - IMPLEMENTING MEASURES - TRADE AND JOINT-TRADE INSTITUTIONS - IMPLEMENTING MEASURES ADOPTED INDEPENDENTLY BY THE LATTER - EXCLUSION 4 . COMMUNITY LAW - PRACTICES CONTRARY TO COMMUNITY LAW ENCOURAGED BY THE COMMUNITY AUTHORITIES - LIKE MEASURES TAKEN BY A PUBLIC INSTITUTION OF A MEMBER STATE - NOT PERMISSIBLE 5 . AGRICULTURE - POULTRY FOR SLAUGHTER - SLAUGHTER - IMPOSITION OF QUOTAS - NOT PERMISSIBLE ( REGULATION NO 123/67 OF THE COUNCIL , ARTICLES 2 AND 13 )