1 . STATE MONOPOLIES OF A COMMERCIAL CHARACTER - SPECIFIC PROVISION OF THE TREATY - SCOPE ( EEC TREATY , ART . 37 ) 2 . QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - MARKETING OF A PRODUCT - DISPARITIES BETWEEN NATIONAL LAWS - OBSTACLES TO INTRA-COMMUNITY TRADE - PERMISSIBLE - CONDITIONS AND LIMITS ( EEC TREATY , ART . 30 AND 36 ) 3 . QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - CONCEPT - MARKETING OF ALCOHOLIC BEVERAGES - FIXING OF A MINIMUM ALCOHOL CONTENT ( EEC TREATY , ART . 30 )