Guidance

Corporation Tax technical specifications in XBRL and iXBRL format

Find guidance on how to create iXBRL accounts and computations if you are a Corporation Tax software developer.

Documents

XBRL technical pack: 2.0

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Taxonomies Accepted by HMRC

Generic dimension validations

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Corporation Tax XBRL style guide

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Detailed profit and loss XBRL taxonomies user guide

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Joint filing validation checks

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Details

Use these technical specifications if you are a software developer to create accounts and computations in iXBRL format.

Updates to this page

Published 22 August 2014
Last updated 24 April 2024 + show all updates
  1. The 'Generic dimension validations' and 'Joint filing validation checks' documents have been updated to include items for 2024.

  2. The Generic dimension validations document has been updated to include details of some incorrectly removed tags.

  3. The generic dimension validations file has been updated to include items for the years 2021, 2022 and 2023.

  4. Section '3312 — Mandatory Items — FRC Taxonomies' in Joint filing validation checks has been updated to include items for the years 2021, 2022 and 2023.

  5. The Generic dimension validations and Joint filing validation checks have been updated.

  6. Detailed profit and loss taxonomy 2019 version 1.2.0 updated to reflect changes to detailed profit and loss and streamlined energy and carbon reporting entry points.

  7. Corporation Tax 2020 computations taxonomy version 1.0.0, Detailed profit and loss, financial council taxonomy version 1.6.0, Detailed profit and loss taxonomy 2019 version 1.2.0 and Detailed profit and loss taxonomy 2018 version 1.3.0 files have been added.

  8. XBRL technical pact: 2.0 PDF has been replaced.

  9. The 'XBRL UK prepares and developers guide' and 'XBRL UK detailed tagging information' documents have been removed from the page.

  10. Corporation Tax 2019 computations taxonomy version 1.0.0, detailed profit and loss taxonomy 2019 version 1.10 and detailed profit loss financial council taxonomy 2019 version 1.5.0 file added.

  11. Corporation Tax 2018 computations taxonomy version 1.1.0 and detailed profit and loss financial council taxonomy 2018 version 1.4.0 file added.

  12. The 'Detailed profit and loss taxonomy 2018 version 1.0.0' file has been added.

  13. XBRL technical pack 1.9 has been updated with XBRL technical pack 2.0.

  14. Revised Corporation Tax 2017 computations taxonomy 1.1.0 and detailed profit and loss, financial reporting council taxonomy 1.3.0 added to page and Computations 2013 and detailed profit and loss examples removed.

  15. Corporation Tax 2016 computations taxonomy version 1.1.0 added to the page.

  16. Corporation Tax XBRL technical pack has been updated.

  17. Added two new taxonomies links to the CT XBRL technical pack

  18. The Generic dimension validations and Joint filing validation checks have been updated.

  19. Corporation Tax 2015 computations taxonomy version 1.3.0, Corporation Tax 2014 computations taxonomy version 1.4.0 added to the page.

  20. Corporation Tax XBRL technical pack has been updated.

  21. iXBRL 1.1 example has been added to this technical pack.

  22. Corporation Tax (CT) Online technical pack - XBRL and iXBRL for computations and accounts v1.7 has been published.

  23. Corporation Tax 2015 computations taxonomy version 1.2.0, Corporation Tax 2014 computations taxonomy version 1.3.0 and detailed profit and loss, financial reporting council taxonomy version 1.1 added to the page.

  24. Corporation Tax technical specifications: XBRL and iXBRL document has been updated.

  25. Corporation Tax technical specifications: XBRL and iXBRL document has been updated.

  26. Updated XBRL technical pack to version 1.4.

  27. First published.

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