# The Roads (Northern Ireland) Order 1993, Paragraph 6: Class IV


All motor vehicles (other than invalid carriages and motor-cycles whereof the cylinder capacity of the engine is less than 50 cubic centimetres) not comprised in Class I, Class II or Class III.

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Source: https://www.legislation.gov.uk/nisi/1993/3160/schedule/1/paragraph/6 (the official version)
Page: https://openlegislation.uk/roads-northern-ireland-order-1993/schedule-1/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.