# The Motor Vehicles (Designation of Approval Marks) Regulations 1979, Paragraph 4

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

The number mentioned in paragraph 2 above and the Roman numeral mentioned in paragraph 3 above may be placed in any position in relation to the circle in the said marking so long as they are diametrically opposite to each other.

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Source: https://www.legislation.gov.uk/uksi/1979/1088/schedule/3/paragraph/4 (the official version)
Page: https://openlegislation.uk/motor-vehicles-designation-of-approval-marks-regulations-1979/schedule-3/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.