15, 10. 79 Official Journal of the European Communities No L 259/1 (Acts whose publication is not obligatory) COUNCIL® COUNCIL DIRECTIVE of 11 September 1979 on the approximation of the laws of the Member States relating to hot-water meters (79/830/EEC) THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Fconomic Community, and in particular Article 100 thereof, Having regard to the proposal from the Commission, Having regard to the opinion of the European Parliament (1), Having regard to the opinion of the Economic and Social Committee (2), Whercas in the Member States the construction and the mcthods of control of hot-water meters are subject to mandatory provisions which differ from one Member State to another and consequently hinder trade in such instruments;  whereas it is therefore necessary to approximate these provisions; Xhercas Council Directive 71/316/EEC of 26 July 1971 on the approximation of the laws of the Member States  relating to  common provisions for both mcasuring instruments and methods of metrological control (3), as amended by the Act of Accession (#), laid down the EEC pattern approval and EEC inital verification procedures; whereas, in accordance with (" O] No C 131, 5. 6. 1978, p. 85. (21 O] No C 269, 13. 11. 1978, p. 44. 37 Of No L 202, 6. 9. 1971, p. 1. 4 O) No L 73, 27. 3. 1972, p. 14. that Directive, the technical requirements for the design and functioning of hot-water meters should be laid down; whereas such requirements must be met, and the controls must be carried out, and the appropriate signs and marks affixed, before these instruments can be freely imported, marketed and used, HAS ADOPTED THIS DIRECTIVE: Article 1 This Directive shall apply to hot-water meters intended for the continuous determination of the volume of hot water passing through them. Such meters shall be provided with a measuring device linked to an indicating device. For the purpose of this Directive, ‘hot water’ shall be water the temperature of which exceeds 30 °C but does not exceed 90 °C. Hot-water meters for incorporation in circulatory systems for the transfer of thermal energy are excluded from the scope of this Directive. Article 2 Hot-water meters to which the EEC marks and signs may be affixed are described in the Annex to this Directive. They shall be subject to EEC pattern approval and shall be submitted for EEC initial verification.