# Road Vehicles Lighting Regulations (Northern Ireland) 2000, Paragraph 3: Fitting of roof bar


A roof bar shall—
(a) be mounted on and fixed safely to the roof; and
(b) be fitted so that the sign, warning lights and text operate independently of any other lighting on the bus.

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Source: https://www.legislation.gov.uk/nisr/2000/169/schedule/22D/paragraph/3 (the official version)
Page: https://openlegislation.uk/road-vehicles-lighting-regulations-northern-ireland-2000/schedule-22D/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.