# Motor Vehicles (Construction and Use) Regulations (Northern Ireland) 1999, Paragraph 8


The following conditions must be satisfied in relation to the motor vehicle, namely—
(a) it complies with the relevant braking requirements;
(b) it has at least three axles;
(c) every driving axle not being a steering axle is fitted with twin tyres; and
(d) either every driving axle is fitted with road friendly suspension or no axle has an axle weight exceeding 8,500 kg.

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Source: https://www.legislation.gov.uk/nisr/1999/454/schedule/14/paragraph/8 (the official version)
Page: https://openlegislation.uk/motor-vehicles-construction-and-use-regulations-northern-ireland-1999/schedule-14/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.