++++ 1 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKET - CEREALS - DURUM WHEAT - LEVY - CALCULATION - TURNOVER EQUALIZATION TAX - INCLUSION IN THE CALCULATION - CONDITION ( REGULATION NO 19 OF THE COUNCIL, ARTICLE 11 ) 2 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKET - CEREALS - MAIZE - THRESHOLD PRICE - FIXING - CHARACTERISTICS OF THE PRODUCTS AT ISSUE - INCLUSION IN THE CALCULATION - CONDITION ( REGULATION NO 19 OF THE COUNCIL, ARTICLE 8 ( 1 ))