http://www.legislation.gov.uk/eudn/2014/713/article/2Commission Decision of 13 October 2014 on the establishment of the annual priority lists for the development of network codes and guidelines for 2015 (Text with EEA relevance) (2014/713/EU)Commission Decision of 13 October 2014 on the establishment of the annual priority lists for the development of network codes and guidelines for 2015 (Text with EEA relevance) (2014/713/EU)2020-12-11King's Printer of Acts of Parliamenthttps://webarchive.nationalarchives.gov.uk/eu-exit/https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32014D0713texttext/xmlen2014-10-13 Article 2 The Commission establishes for the development of harmonised gas rules this annual priority list for 2015: interoperability and data exchange rules (Commission adoption phase), rules regarding harmonised transmission tariff structures (finalise network code and start Commission adoption phase), rules regarding an EU-wide market-based approach on the allocation of ‘new build’ gas transmission capacity (finalise amendment proposal of capacity allocation mechanisms network code and start Commission adoption phase).