# The Road Traffic (Carriage of Explosives) Regulations 1989, Paragraph 10


While the vehicle is being loaded or unloaded–
(a) paragraph 1(b) of this Schedule shall not apply,
(b) sub-paragraphs (a) and (b) of paragraph 4 of this Schedule shall not apply to the orange-coloured plate at the rear of the vehicle.

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Source: https://www.legislation.gov.uk/uksi/1989/615/schedule/4/paragraph/10 (the official version)
Page: https://openlegislation.uk/road-traffic-carriage-of-explosives-regulations-1989/schedule-4/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.