++++ 1 . CUSTOMS DUTIES - ABOLITION - DUTIES APPLIED WITHIN THE MEANING OF ARTICLES 12 AND 14 OF THE EEC TREATY - CONCEPT ( EEC TREATY, ARTICLES 12, 14 AND 19 ) 2 . EXTERNAL RELATIONS OF MEMBER STATES OF THE EEC - AGREEMENTS MADE PRIOR TO THE EEC TREATY - RIGHTS AND OBLIGATIONS OF MEMBER STATES ( EEC TREATY, ARTICLE 234 )