1 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKET - MILK AND MILK PRODUCTS - EXPORT REFUNDS - REFUNDS FIXED IN ADVANCE - ADJUSTMENT - DISCRETION OF THE COMMISSION ( COUNCIL REGULATION NO 876/68 , ART . 5 ( 3 ), AS AMENDED BY REGULATION NO 2732/71 ) 2 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKET - MILK AND MILK PRODUCTS - EXPORT REFUNDS - ADVANCE FIXING - FREEDOM OF TRADERS TO CHOOSE