{
  "url": "https://openlegislation.uk/eu-directive-1978-317/annex-1/annex-IV",
  "json_url": "https://openlegislation.uk/eu-directive-1978-317/annex-1/annex-IV.json",
  "legislation": "eudr/1978/317",
  "legislation_title": "Council Directive of 21 December 1977 on the approximation of the laws of the Member States relating to the defrosting and demisting systems of glazed surfaces of motor vehicles (78/317/EEC) (repealed)",
  "legislation_url": "https://openlegislation.uk/eu-directive-1978-317",
  "path": "annex/1/annex/IV",
  "kind": "appendix",
  "number": "ANNEX IV",
  "heading": "PROCEDURE FOR DETERMINING VISION AREAS ON WINDSCREENS OF CATEGORY VEHICLES IN RELATION TO THE V POINTS",
  "text": "1.\nPOSITIONS OF THE V POINTS\n1.1.\n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n1.2.\nTable I indicates the basic coordinates for a design seat-back angle of 25o. The positive direction for the coordinates is indicated in figure 1 of Annex III.\n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n1.3.\n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n1.3.1.\nTable II shows the further corrections to be made to the X and Z coordinates of each V point when the design seat-back angle is not 25o. The positive direction for the coordinates is shown in figure 1 of Annex III.\n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n2.\nVISION AREAS\n2.1.\n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n2.2.\nVision area A is the area on the outer surface of the windscreen bounded by the following four planes extending forward from the V point (see figure 1):\n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\n2.3.\nVision area B is the area of the outer surface of the windscreen which is more than 25 mm from the outer edge of the transparent area and is bounded by the intersection of the following four planes with the outer surface of the windscreen (see figure 2):\n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .",
  "extent": "E+W+S+N.I.",
  "status": "repealed",
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Repealed by Regulation (EC) No 661/2009 of the European Parliament and of the Council of 13 July 2009 concerning type-approval requirements for the general safety of motor vehicles, their trailers and systems, components and separate technical units intended therefor (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudr/1978/317/annex/1/annex/IV",
    "retrieved_at": "2026-11-01T15:23:43.941495+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."
}