++++ 1 . Tax provisions - Harmonization of laws - Turnover taxes - Common system of value-added tax - Levying of other national taxes which can be characterized as turnover taxes on transactions subject to value-added tax - Not permissible ( Council Directive 77/388, Art . 33 ) 2 . Tax provisions - Harmonization of laws - Turnover taxes - Common system of value-added tax - Taxes which can be characterized as turnover taxes - Fixed-rate tax levied on the making available of an article to the public - Criteria for classification ( Council Directive 77/388, Art . 33 ) 3 . Tax provisions - Internal taxation - Article 95 of the Treaty - Scope - Taxes on the use of imported products - Inclusion - Conditions ( EEC Treaty, Art . 95 ) 4 . Tax provisions - Internal taxation - Graduated system of taxation - Progressive tax on automatic games machines - Whether permissible - Conditions ( EEC Treaty, Art . 95 ) 5 . Free movement of goods - Quantitative restrictions - Measures having equivalent effect - Article 30 of the Treaty - Scope - Measures covered by Article 95 - Exclusion ( EEC Treaty, Arts 30 and 95 )