1 . ACTION FOR FAILURE OF A STATE TO FULFIL OBLIGATIONS - PROCEDURE PRIOR TO THE APPLICATION TO THE COURT - FORMAL INVITATION TO SUBMIT OBSERVATIONS - REASONED OPINION - PURPOSE - STATEMENT OF REASONS ON WHICH THE OPINION IS BASED - CRITERIA ( EEC TREATY , ART . 169 ) 2 . MEMBER STATES - OBLIGATIONS - FAILURE TO FULFIL OBLIGATIONS - JUSTIFICATION ON BASIS OF A POSSIBLE FAILURE TO FULFIL ITS OBLIGATIONS BY ANOTHER MEMBER STATE - NOT PERMISSIBLE ( EEC TREATY , ART . 169 ) 3 . TAX PROVISIONS - HARMONIZATION OF LEGISLATION - EXEMPTION FROM TURNOVER TAX AND EXCISE DUTIES - GOODS CONTAINED IN THE PERSONAL LUGGAGE OF TRAVELLERS - EXHAUSTIVE COMMUNITY RULES - SCOPE ( COUNCIL DIRECTIVE 69/169 ) 4 . TAX PROVISIONS - HARMONIZATION OF LEGISLATION - EXEMPTION FROM TURNOVER TAX AND EXCISE DUTIES - GOODS CONTAINED IN THE PERSONAL LUGGAGE OF TRAVELLERS AND PURCHASED ON BOARD SHIPS EFFECTING EXCURSIONS AT SEA - GRANT OF THE EXEMPTION - NOT PERMISSIBLE ( COUNCIL DIRECTIVE 69/169 )