# Commission Directive 81/334/EEC of 13 April 1981 adapting to technical progress Council Directive 70/157/EEC on the approximation of the laws of the Member States relating to the permissible sound level and the exhaust system of motor vehicles

EU Directive 1981/334 · adopted 13 April 1981

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Source: https://www.legislation.gov.uk/eudr/1981/334 (the official version)
Page: https://openlegislation.uk/eu-directive-1981-334
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.