1 . AGRICULTURE - MONETARY MEASURES - ADJUSTMENT OF THE REPRESENTATIVE RATES - PURCHASE OF COMMODITIES FROM INTERVENTION AT PRICES FIXED IN ECU - BUYER WHO SUBMITTED HIS APPLICATION PRIOR TO THE ENTRY INTO FORCE OF REGULATION NO 850/81 - COMPETITIVE DISADVANTAGE - WHETHER PERMISSIBLE IN VIEW OF THE INTENTION OF THE COMMUNITY LEGISLATURE ( COUNCIL REGULATION NO 850/81 ; COMMISSION REGULATIONS NO 2173/79 , ART . 5 , AND NO 713/81 ) 2.COMMUNITY LAW - PRINCIPLES - PRINCIPLE ALLOWING THE NATIONAL AUTHORITIES NOT TO APPLY A COMMUNITY PROVISION FOR REASONS OF FAIRNESS - NONE - CASE PENDING BEFORE A NATIONAL COURT CONCERNING THE QUESTION WHETHER THE EFFECTS OF THE COMMUNITY RULES ARE INEQUITABLE - REFERENCE FOR A PRELIMINARY RULING