{
  "url": "https://openlegislation.uk/eu-regulation-1985-3821/annex-2/division-III/division-12/division-12.4",
  "json_url": "https://openlegislation.uk/eu-regulation-1985-3821/annex-2/division-III/division-12/division-12.4.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/12/division/12.4",
  "kind": "division",
  "number": "12.4",
  "heading": "Driver activity data",
  "text": "084 The recording equipment shall record and store in its data memory whenever there is a change of activity for the driver and/or the co-driver, and/or whenever there is a change of driving status, and/or whenever there is an insertion or withdrawal of a driver or workshop card:\nthe driving status (CREW, SINGLE),\nthe slot (DRIVER, CO-DRIVER),\nthe card status in the relevant slot (INSERTED, NOT INSERTED) (see Note),\nthe activity (DRIVING, AVAILABILITY, WORK, BREAK/REST),\nthe date and time of the change.\n085 The data memory shall be able to hold driver activity data for at least 365 days.\n086 When storage capacity is exhausted, new data shall replace oldest data.",
  "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/12/division/12.4",
    "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."
}