28.4.77 No L 105/18 Official Journal of the European Communities COUNCIL DIRECTIVE of 5 April 1977 on the approximation of the laws of the Member States relating to measuring systems for liquids other than water (77/313/EEC) THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, and in particular Article 100 thereof, . Having regard to the proposal from the Commission, Having regard to the opinion of the European Parlia- ment (1), Having regard to the opinion of the Economic and Social Committee (2), Whereas in each Member State the construction and methods of control of measuring systems for liquids are subject to mandatory provisions which differ from one Member State to another and consequently hinder trade in such systems; whereas it is therefore necessary to ap- proximate these provisions; Whereas Council Directive 71/316/EEC of 26 July 1971 on the approximation of the laws of the Member States re- lating to common provisions for both measuring instru- ments and methods of metrological control(?), as last . amended by Directive 72/427/EEC (4), has laid down the EEC pattern approv:l and EEC initial verification proce- dure for measuring instruments; whereas, in accordance with that Directive, the technical requirements for the de- sign and functioning of measuring systems for liquids other than water should be laid down; " Whereas Council Directive 71/319/EEC of 26 July 1971 on the approximation of the laws of the Member States re- lating to meters for liquids other than water (¥)and Coun- (% O] No C 125, 8. 6.1976,p. 43 (® OJ No C 131, 12. 6.1976,p. 53 (® OJNoL 202, 6. 9.1971,p. 1 (4 OJ No L 291, 28.12. 1972, p. 156 () OJNoL202, 6. 9.1971,p. 32 cil Directive 71/348/EEC of 12 October 1971 on the ap- proximation of the laws of the Member States relating to ancillary equipment for meters for liquids other than wa- ter (%) have already laid down the technical design and op- erational requirements which such meters must satisfy; whereas it is specified in Directive 71/319/EEC that measuring systems including one or more meters for li- quids other than water must be the subject of a separate Directive, HAS ADOPTED THIS DIRECTIVE: Article 1 This Directive shall apply to measuring systems for liquids other than water incorporating volumetric meters in which the liquid causes the movement of mobile walls of measuring chambers. ' Article 2 Those measuring systems which may bear EEC signs and marks are described in the Annex hereto. They shall be: subject to EEC pattern approval if the provisions of the Annex so require and shall undergo EEC initial verifica- tion under the conditions laid down in the Annex hereto. Under the conditions laid down in the Annex, EEC pat- tern approval may also be granted to measuring system components and sub-assemblies. Article 3 No Member State may, on the grounds of their metrologi- ‘ cal properties, refuse, prohibit or restrict the placing on the market or the use of measuring systems for liquids () 0] No L 239, 25.10. 1971, p. 9.