1 . COMMON CUSTOMS TARIFF - FLAKED BARLEY UNDER TARIFF SUBHEADING 11.02 E I B 1 - CONCEPT - ROLLED GRAINS OF BARLEY UNDER SUBHEADING 11.02 E I A 1 - DIFFERENCE 2 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKET - PRODUCTS SUBJECT TO A SINGLE PRICE SYSTEM - EXPORTATION - CERTIFICATE - PRODUCT INDICATED - PRODUCT EXPORTED - DIFFERENCE - EXPORT REFUND - GRANTING - RATE - FIXING - ABSENCE - BENEFIT - RIGHT - ABSENCE ( REGULATION NO 120/67 OF THE COUNCIL , ARTICLE 16 ; REGULATION NO 1041/67 OF THE COUNCIL , ARTICLE 1 AND ARTICLE 3 )