{
  "url": "https://openlegislation.uk/eu-regulation-2018-1973/annex/division-ELECTRONIC/section-1/division-3/division-3.1",
  "json_url": "https://openlegislation.uk/eu-regulation-2018-1973/annex/division-ELECTRONIC/section-1/division-3/division-3.1.json",
  "legislation": "eur/2018/1973",
  "legislation_title": "Commission Implementing Regulation (EU) 2018/1973 of 7 December 2018 amending Implementing Regulation (EU) No 909/2013 on the technical specifications for the electronic chart display and information system for inland navigation (Inland ECDIS) referred to in Directive 2005/44/EC of the European Parliament and of the Council",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2018-1973",
  "path": "annex/division/ELECTRONIC/section/1/division/3/division/3.1",
  "kind": "division",
  "number": "3.1",
  "heading": "Contents and provision of Inland Electronic Navigational Charts (Inland ENCs) and bathymetric Inland ENCs",
  "text": "(a) The chart information to be used in Inland ECDIS shall be the latest edition of information.\n(b) Provisions shall be made to prevent the user from altering the contents of original Inland ENC and bathymetric Inland ENC editions.\n(c) At least the following features shall be included in the ENC:\nwaterway axis with kilometres indication,\nlinks to the external xml-files with operation times of restricting structures, in particular locks and bridges.\nlocation of ports and transhipment sites,\nreference data for water level gauges relevant to navigation,\nbank of waterway (at mean water level),\nshoreline construction (e.g. groin, longitudinal control dam, training wall – any facility that is considered a hazard to navigation),\ncontours of locks and dams,\nboundaries of the fairway/navigation channel (if defined),\nisolated dangers in the fairway/navigation channel under water,\nisolated dangers in the fairway/navigation channel above water level, such as bridges, overhead cables etc.,\nofficial aids-to-navigation (e.g. buoys, beacons, lights, notice marks),\nIf the chart producer is using overlay files or bathymetric Inland ENCs, the features may be included in different chart cells, but the whole package must fulfil the minimum requirements listed in the indents above.\n(d) Where the chart is intended to be used for navigation mode (Chapter 5.2 of this Section), the respective competent authority shall decide for each waterway or harbour which of the features referred to in point (c) are to be verified. After verification, the respective competent authority shall declare which Inland ENCs and bathymetric Inland ENCs are approved for navigation mode within its geographical area of responsibility (for details see Section 2A of this Annex).\n(e) The System Electronic Navigational Chart (SENC) shall be stored in the Inland ECDIS.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2018/1973/annex/division/ELECTRONIC/section/1/division/3/division/3.1",
    "retrieved_at": "2026-11-01T14:43:43.977506+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."
}