AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - CEREALS - PRODUCTION REFUNDS ON MAIZE PROCESSED INTO STARCH - METHOD OF CALCULATION - REFERENCE TO THE THRESHOLD PRICE AND THE SUPPLY PRICE - APPLICABLE RATES - RATES IN FORCE ON THE DATE ON WHICH THE MAIZE WAS PROCESSED ( REGULATION NO 1132/74 OF THE COUNCIL ; REGULATION NO 2012/74 OF THE COMMISSION , ART . 2 ( 3 ))