http://www.legislation.gov.uk/eudr/2003/55/bodyDirective 2003/55/EC of the European Parliament and of the Council of 26 June 2003 concerning common rules for the internal market in natural gas and repealing Directive 98/30/EC (repealed)Directive 2003/55/EC of the European Parliament and of the Council (repealed)Directive 2003/55/EC of the European Parliament and of the Council of 26 June 2003 concerning common rules for the internal market in natural gas and repealing Directive 98/30/EC (repealed)2020-12-10King's Printer of Acts of Parliamenthttps://webarchive.nationalarchives.gov.uk/eu-exit/https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02003L0055-20110303texttext/xmlen2011-03-03 CHAPTER I SCOPE AND DEFINITIONS Scope Article 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Definitions Article 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHAPTER II GENERAL RULES FOR THE ORGANISATION OF THE SECTOR Public service obligations and customer protection Article 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Authorisation procedure Article 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Monitoring of security of supply Article 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical rules Article 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHAPTER III TRANSMISSION, STORAGE AND LNG Designation of system operators Article 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tasks of system operators Article 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unbundling of transmission system operators Article 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Confidentiality for transmission system operators Article 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHAPTER IV DISTRIBUTION AND SUPPLY Designation of distribution system operators Article 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tasks of distribution system operators Article 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unbundling of distribution system operators Article 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Confidentiality for distribution system operators Article 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combined operator Article 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHAPTER V UNBUNDLING AND TRANSPARENCY OF ACCOUNTS Right of access to accounts Article 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unbundling of accounts Article 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHAPTER VI ORGANISATION OF ACCESS TO THE SYSTEM Third party access Article 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Access to storage Article 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Access to upstream pipeline networks Article 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Refusal of access Article 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . New infrastructure Article 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Market opening and reciprocity Article 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direct lines Article 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Regulatory authorities Article 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHAPTER VII FINAL PROVISIONS Safeguard measures Article 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Derogations in relation to take-or-pay commitments Article 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Emergent and isolated markets Article 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Review Procedure Article 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Committee Article 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reporting Article 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Repeals Article 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Implementation Article 33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Entry into force Article 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Addressees Article 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Repealed by Directive 2009/73/EC of the European Parliament and of the Council of 13 July 2009 concerning common rules for the internal market in natural gas and repealing Directive 2003/55/EC (Text with EEA relevance).