# 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 record sheets must be such that they do not impede the normal functioning of the instrument and that the records which they contain are indelible and easily legible and identifiable.
The record sheets must retain their dimensions and any records made on them under normal conditions of humidity and temperature.
In addition it must be possible to write on the sheets, without damaging them and without affecting the legibility of the recordings, the information referred to in Article 15 (5) of the Regulation.
Under normal conditions of storage, the recordings must remain clearly legible for at least one year.

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