{
  "url": "https://openlegislation.uk/eu-decision-2002-731/annex/division-4/division-4.1/division-4.1.2",
  "json_url": "https://openlegislation.uk/eu-decision-2002-731/annex/division-4/division-4.1/division-4.1.2.json",
  "legislation": "eudn/2002/731",
  "legislation_title": "Commission Decision of 30 May 2002 concerning the technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European high-speed rail system referred to in Article 6(1) of Council Directive 96/48/EC (notified under document number C(2002) 1947) (Text with EEA relevance) (2002/731/EC)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2002-731",
  "path": "annex/division/4/division/4.1/division/4.1.2",
  "kind": "division",
  "number": "4.1.2",
  "heading": "BASIC PARAMETERS OF THE SUBSYSTEM: INTERNAL INTERFACE",
  "text": "Definition: internal interfaces are defined as those matters which concern two control-command interoperability constituents or assemblies, and describe the functional, electrical and/or mechanical conditions applying to the links between them. The voice and data transmission between the train and the trackside are part of the internal interfaces.\nThis section specifies the functions of control-command class A internal interfaces which are essential for interoperability.",
  "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/eudn/2002/731/annex/division/4/division/4.1/division/4.1.2",
    "retrieved_at": "2026-11-01T15:18:30.359571+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."
}