1 . COMMUNITY LAW - PRINCIPLES - EQUAL TREATMENT - DISCRIMINATION - CONCEPT 2.AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - WINE - WINES IMPORTED FROM NON-MEMBER COUNTRIES - CUSTOMS DUTIES EXPRESSED IN UNITS OF ACCOUNT - CONVERSION INTO NATIONAL CURRENCY - DIFFERENT EXCHANGE RATE USED FOR WINES NOT SUBJECT TO A COUNTERVAILING CHARGE ON IMPORTS - DISCRIMINATION - NONE ( EEC TREATY , SECOND SUBPARAGRAPH OF ART . 40 ( 3 ), COUNCIL REGULATIONS NOS 816/70 , ART . 9 AND 1167/76 ; COMMISSION REGULATION NO 1019/70 , ART . 4 ) 3.AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - AGRICULTURAL PRICES - CRITERIA AND METHODS OF CALCULATION - FIXING OF CUSTOMS DUTIES - LACK OF RELEVANCE ( EEC TREATY , THIRD SUBPARAGRAPH OF ART . 40 ( 3 ))