# Council Regulation (EEC) No 3821/85 of 20 December 1985 on recording equipment in road transport, Division 5.2.5: Driver activity data

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

199 The driver card shall be able to store, for each calendar day where the card has been used or for which the driver has entered activities manually, the following data:
the date,
a daily presence counter (increased by one for each of these calendar days),
the total distance travelled by the driver during this day,
a driver status at 00.00,
whenever the driver has changed of activity, and/or has changed of driving status, and/or has inserted or withdrawn his card:
the driving status (CREW, SINGLE),
the slot (DRIVER, CO-DRIVER),
the card status (INSERTED, NOT INSERTED),
the activity (DRIVING, AVAILABILITY, WORK, BREAK/REST),
the time of the change.
200 The driver card memory shall be able to hold driver activity data for at least 28 days (the average activity of a driver is defined as 93 activity changes per day).
201 The data listed under requirements 197 and 199 shall be stored in a way allowing the retrieval of activities in the order of their occurrence, even in case of a time overlap situation.

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Source: https://www.legislation.gov.uk/eur/1985/3821/annex/2/division/IV/division/5/division/5.2/division/5.2.5 (the official version)
Page: https://openlegislation.uk/eu-regulation-1985-3821/annex-2/division-IV/division-5/division-5.2/division-5.2.5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.