1 . REFERENCES FOR A PRELIMINARY RULING - DETERMINATION OF VALIDITY - DECLARATION THAT A REGULATION IS VOID - EFFECT - NON-APPLICATION OF THE ACT BY ANY NATIONAL COURT - FRESH REFERENCE TO THE COURT - PERMISSIBILITY ( EEC TREATY , ART . 177 ) 2 . EUROPEAN COMMUNITIES - OWN RESOURCES - AMOUNTS COLLECTED BY THE MEMBER STATES - DISPUTES RELATING TO THE RECOVERY OF PAYMENTS NOT LEGALLY DUE - JURISDICTION OF THE NATIONAL COURTS - APPLICATION OF THE NATIONAL LAW - CONDITIONS ( COUNCIL DECISION OF 21 APRIL 1970 , ART . 6 ) 3 . EUROPEAN COMMUNITIES - OWN RESOURCES - AMOUNTS COLLECTED BY THE MEMBER STATES - SECURITIES PROVIDED AND DECLARED FORFEIT UNDER REGULATION NO 563/76 - PASSING ON OF THE CHARGE AUTHORIZED BY THE COMMUNITY REGULATION - ACTION FOR RECOVERY OF PAYMENT NOT LEGALLY DUE - NO BASIS ( COUNCIL REGULATION NO 563/76 , ART . 5 ) 4 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - EXPORT REFUNDS - COMPOUND PRODUCTS - CONDITIONS FOR GRANT ( REGULATION NO 192/75 OF THE COMMISSION , ART . 8 ( 1 ), FIRST AND THIRD SUBPARAGRAPHS )