# Council Regulation (EEC) No 3821/85 of 20 December 1985 on recording equipment in road transport, Division 1

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

The following markings must appear on the instrument face of the equipment:
close to the figure shown by the distance recorder, the unit of measurement of distance, indicated by the abbreviation ‘km’,
near the speed scale, the marking ‘km/h’,
the measurement range of the speedometer in the form ‘Vmin … km/h, Vmax … km/h’, This marking is not necessary if it is shown on the descriptive plaque of the equipment.
However, these requirements shall not apply to recording equipment approved before 10 August 1970.

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Source: https://www.legislation.gov.uk/eur/1985/3821/annex/I/division/III/division/e/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-1985-3821/annex-I/division-III/division-e/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.