# Vehicle Excise and Registration Act 1994, Paragraph 18


A vehicle (including a cycle with an attachment for propulsion by mechanical power) which—
(a) is adapted, and used or kept on a road, for an invalid, and
(b) does not exceed 508 kilograms in weight unladen,
is an exempt vehicle.

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Source: https://www.legislation.gov.uk/ukpga/1994/22/schedule/2/paragraph/18 (the official version)
Page: https://openlegislation.uk/vehicle-excise-and-registration-act-1994/schedule-2/paragraph-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.