{
  "url": "https://openlegislation.uk/eu-regulation-1985-3821/annex-2/division-III/division-19",
  "json_url": "https://openlegislation.uk/eu-regulation-1985-3821/annex-2/division-III/division-19.json",
  "legislation": "eur/1985/3821",
  "legislation_title": "Council Regulation (EEC) No 3821/85 of 20 December 1985 on recording equipment in road transport",
  "legislation_url": "https://openlegislation.uk/eu-regulation-1985-3821",
  "path": "annex/2/division/III/division/19",
  "kind": "division",
  "number": "19",
  "heading": "Output data to additional external devices",
  "text": "152 When the recording equipment does not include speed and/or odometer display functions, the recording equipment shall provide output signal(s) to allow for displaying the speed of the vehicle (speedometer) and/or the total distance travelled by the vehicle (odometer).\n153 The vehicle unit shall also be able to output the following data using an appropriate dedicated serial link independent from an optional CAN bus connection (ISO 11898 Road vehicles — Interchange of digital information — Controller Area Network (CAN) for high speed communication), to allow their processing by other electronic units installed in the vehicle:\ncurrent UTC date and time,\nspeed of the vehicle,\ntotal distance travelled by the vehicle (odometer),\ncurrently selected driver and co-driver activity,\ninformation if any tachograph card is currently inserted in the driver slot and in the co-driver slot and (if applicable) information about the corresponding cards identification (card number and issuing Member State).\nOther data may also be output in addition to this minimum list.\nWhen the ignition of the vehicle is ON, these data shall be permanently broadcast. When the ignition of the vehicle is OFF, at least any change of driver or co-driver activity and/or any insertion or withdrawal of a tachograph card shall generate a corresponding data output. In the event that data output has been withheld whilst the ignition of the vehicle is OFF, that data shall be made available once the ignition of the vehicle is ON again.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Inserted by Council Regulation (EC) No 2135/98 of 24 September 1998 amending Regulation (EEC) No 3821/85 on recording equipment in road transport and Directive 88/599/EEC concerning the application of Regulations (EEC) No 3820/85 and (EEC) No 3821/85."
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Substituted by Commission Regulation (EC) No 1360/2002 of 13 June 2002 adapting for the seventh time to technical progress Council Regulation (EEC) No 3821/85 on recording equipment in road transport (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/1985/3821/annex/2/division/III/division/19",
    "retrieved_at": "2026-11-01T15:05:16.849228+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}