1 . QUESTIONS SUBMITTED FOR A PRELIMINARY RULING - JURISDICTION OF THE NATIONAL COURT - APPRAISAL OF THE EXPEDIENCY OF A REFERENCE ( EEC TREATY , ART . 177 ) 2 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - WINE - TRADE WITH NON-MEMBER COUNTRIES - IMPORT PRICE - FREE-AT-FRONTIER OFFER PRICE - LEVY OF A COMPULSORY CHARGE UPON IMPORTATION ( INTERIM AGREEMENT EEC-ALGERIA OF 26 APRIL 1976 ANNEXED TO REGULATION NO 1287/76 ; REGULATION NO 816/70 OF THE COUNCIL , ART . 9 ) 3 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - WINE - TRADE WITH NON-MEMBER COUNTRIES - DEPRECIATION OF THE CURRENCY OF THE IMPORTING MEMBER STATE - MINIMUM AMOUNT OF THE FREE-AT-FRONTIER OFFER PRICE EQUAL TO THE FREE-AT-FRONTIER REFERENCE PRICE INCREASED BY THE MONETARY COMPENSATORY AMOUNTS - WHETHER PERMISSIBLE - APPRAISAL FROM THE POINT OF VIEW OF COMMUNITY LAW ( REGULATION NO 1380/75 OF THE COMMISSION , ART . 17 ( 3 ), AS AMENDED BY REGULATION NO 1577/76 , ART . 6 )