++++ 1 . Free movement of goods - Quantitative restrictions - Measures having equivalent effect - Concept - Restrictions on cross-frontier advertising ( EEC Treaty, Arts 30, 31 and 36 ) 2 . Free movement of goods - Quantitative restrictions - Measures having equivalent effect - Prohibition against referring, in advertisements for a special purchase offer, to the duration of the offer or the price previously charged - Application to advertising lawfully distributed in another Member State - Not permissible - Justification - Consumer protection - Not justifiable ( EEC Treaty, Arts 30 and 36 )