1 . TAX PROVISIONS - INTERNAL TAXATION - SYSTEM OF DIFFERENTIAL TAXATION - PERMISSIBILITY - CONDITIONS - PURSUIT OF OBJECTIVES COMPATIBLE WITH COMMUNITY LAW - ABSENCE OF ANY DISCRIMINATORY OR PROTECTIVE NATURE ( EEC TREATY , ART . 95 ) 2 . TAX PROVISIONS - INTERNAL TAXATION - SYSTEM OF DIFFERENTIAL TAXATION OF DENATURED SYNTHETIC ALCOHOL AND DENATURED ALCOHOL OBTAINED BY FERMENTATION - PERMISSIBILITY - CONDITIONS - IDENTICAL APPLICATION TO IMPORTED PRODUCTS - MORE HEAVILY TAXED PRODUCT EXCLUSIVELY AN IMPORTED ONE - EQUIVALENT ECONOMIC EFFECT ON THE STRUCTURE OF NATIONAL PRODUCTION ( EEC TREATY , ART . 95 , FIRST AND SECOND PARAGRAPHS )