# Council Regulation (EEC) No 3821/85 of 20 December 1985 on recording equipment in road transport, Division 12.10: Calibration data

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

097 The recording equipment shall record and store in its data memory data relevant to:
known calibration parameters at the moment of activation,
its very first calibration following its activation,
its first calibration in the current vehicle (as identified by its VIN),
the five most recent calibrations (If several calibrations happen within one calendar day, only the last one of the day shall be stored).
098 The following data shall be recorded for each of these calibrations:
purpose of calibration (activation, first installation, installation, periodic inspection),
workshop name and address,
workshop card number, card issuing Member State and card expiry date,
vehicle identification,
parameters updated or confirmed: w, k, l, tyre size, speed limiting device setting, odometer (old and new values), date and time (old and new values).
099 The motion sensor shall record and store in its memory the following motion sensor installation data:
first pairing with a VU (date, time, VU approval number, VU serial number),
last pairing with a VU (date, time, VU approval number, VU serial number).

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Source: https://www.legislation.gov.uk/eur/1985/3821/annex/2/division/III/division/12/division/12.10 (the official version)
Page: https://openlegislation.uk/eu-regulation-1985-3821/annex-2/division-III/division-12/division-12.10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.