# The Motor Vehicles (Designation of Approval Marks) Regulations 1979, Paragraph 3

Extent: E+W+S+N.I.

The Roman numeral shown outside and immediately above the rectangle in the marking relating to item No. 2 in Schedule 4 will be varied, where appropriate, to be the Roman numeral signifying the class of the motor vehicle part concerned.

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Source: https://www.legislation.gov.uk/uksi/1979/1088/schedule/5/paragraph/3 (the official version)
Page: https://openlegislation.uk/motor-vehicles-designation-of-approval-marks-regulations-1979/schedule-5/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.