1 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS ON EXPORTS - MEASURES HAVING EQUIVALENT EFFECT - CONCEPT ( EEC TREATY , ART . 34 ) 2 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - MARKETING OF A PRODUCT - DISPARITIES BETWEEN NATIONAL LAWS - OBSTACLES TO INTRA-COMMUNITY TRADE - WHETHER PERMISSIBLE ( EEC TREATY , ART . 30 ) 3 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - PROHIBITION OF A FREE-GIFT SCHEME INTRODUCED FOR SALES PROMOTION PURPOSES - WHETHER PERMISSIBLE ( EEC TREATY , ARTS 30 AND 34 )