1 . MEMBER STATES - OBLIGATIONS - FAILURE TO FULFIL OBLIGATIONS - JUSTIFICATION - NOT PERMISSIBLE ( EEC TREATY , ART . 169 ) 2 . THE EUROPEAN COMMUNITIES ' OWN RESOURCES - DETERMINATION OF AMOUNT DUE AND PLACING OF THAT AMOUNT AT THE COMMUNITIES ' DISPOSAL BY MEMBER STATES - CREDITING THE AMOUNT TO THE COMMISSION ' S ACCOUNT - DELAY IN CREDITING THE AMOUNT - OBLIGATION TO PAY INTEREST ( COUNCIL REGULATION NO 2891/77 , ARTS 10 AND 11 )