1 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - BAN ON IMPORTING VERMOUTH WITH AN ALCOHOLIC CONTENT LOWER THAN THE MINIMUM PRESCRIBED BY THE LEGISLATION OF THE EXPORTING MEMBER STATE - NO SUCH CONDITION FOR THE MARKETING OF DOMESTIC VERMOUTH - UNLAWFULNESS ( EEC TREATY , ARTICLE 30 ) 2 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - MARKETING OF PRODUCTS - DISPARITIES BETWEEN NATIONAL LAWS - OBSTACLES TO INTRA-COMMUNITY TRADE - LAWFULNESS - CONDITIONS ( EEC TREATY , ARTICLE 30 )