# The Road Vehicles (Display of Registration Marks) Regulations 2001, Paragraph 1


A plate made of reflex-reflecting material complying with the requirements of the British Standard Specification for reflex-reflecting number plates published on 31 October 1967 under the number BS AU 145 and which displays black characters on a white background where it is fixed on the front of the vehicle and black characters on a yellow background where it is fixed on the rear of the vehicle.

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Source: https://www.legislation.gov.uk/uksi/2001/561/schedule/2/part/3/paragraph/1n4 (the official version)
Page: https://openlegislation.uk/road-vehicles-display-of-registration-marks-regulations-2001/schedule-2/part-3/paragraph-1n4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.