++++ AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - CEREALS - MAIZE - IMPORTATION FROM A MEMBER STATE - LEVY FIXED IN ADVANCE - PERIOD LAID DOWN FOR IMPORTATION - NOT OBSERVED - FORCE MAJEURE ( REGULATION NO 31 OF THE COUNCIL - ARTICLE 2 ( 1 ) AND ( 2 )) REGULATION NO 87/62 OF THE COMMISSION, ARTICLE 8 ( 3 ))