++++ 1 . PRELIMINARY RULINGS - JURISDICTION OF THE COURT - LIMITS ( EEC TREATY, ARTICLE 177 ) 2 . CUSTOMS DUTIES ON EXPORT - CHARGES HAVING EQUIVALENT EFFECT - CONCEPT ( EEC TREATY, ARTICLE 16 ) 3 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKET - INFRINGEMENTS BY MEMBER STATES OF THE PROVISIONS OR OBJECTS OF COMMUNITY REGULATIONS - INADMISSIBILITY 4 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKET - LIVE TREES AND OTHER PLANTS, BULBS, ROOTS AND THE LIKE, CUT FLOWERS AND ORNAMENTAL FOLIAGE - NATIONAL INTERVENTION MECHANISM - INCOMPATIBILITY WITH COMMUNITY LAW - CONSIDERATIONS INVOLVED ( REGULATION NO 234/68 OF THE COUNCIL ) 5 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKET - AGRICULTURAL PRODUCTS - INTERNAL LEVY FALLING MORE HEAVILY ON EXPORT SALES THAN ON SALES ON THE NATIONAL MARKET - PROHIBITION OF DISCRIMINATION WITHIN THE MEANING OF PARAGRAPH 2 OF ARTICLE 40 ( 3 ) AND ARTICLE 95 OF THE EEC TREATY - APPLICATION BY ANALOGY