++++ 1.Approximation of legislation - Plant-protection products - Directive 79/117 - Effect on the application of national rules to products not covered by the directive - None ( Council Directive 79/117 ) 2.Free movement of goods - Quantitative restrictions - Measures having equivalent effect - Derogations - Protection of public health - Prohibition on the marketing and use of unapproved plant-protection products - Permissibility under the Treaty and the agreement between the EEC and Sweden ( EEC Treaty, Arts 30 and 36; EEC-Sweden Agreement, Arts 13(1 ) and 20 )