# The Road Vehicles (Construction and Use) Regulations 1986, Paragraph 5


In this Part of this Schedule—
(a) “British Standard BS AU 193: 1983” means the British Standard Specification for replacement motor cycle and moped exhaust systems published by the British Standards Institution under reference number BS AU 193: 1983;
(b) “British Standard BS AU 193a: 1990” means the British Standard Specification for replacement motor cycle and moped exhaust systems published by the British Standards Institution under reference number BS AU 193a: 1990.

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Source: https://www.legislation.gov.uk/uksi/1986/1078/schedule/7A/paragraph/5 (the official version)
Page: https://openlegislation.uk/road-vehicles-construction-and-use-regulations-1986/schedule-7A/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.