1 . COMMUNITY LAW - GENERAL PRINCIPLES OF LAW - LEGAL CERTAINTY - RULES IMPOSING CHARGES - REQUIREMENT OF CLARITY AND PRECISION 2 . COMMON CUSTOMS TARIFF - HEADINGS - CLASSIFICATION OF GOODS - EMMENTALER CHEESE - CLASSIFICATION IN SUBHEADING 04.04 . A I - INAPPLICABILITY OF MONETARY COMPENSATORY AMOUNTS IN INTRA-COMMUNITY TRADE