Guidance

Self Assessment technical specifications (2020) for individual returns

Use this technical documentation for individual returns if you're a software developer working with the Self Assessment online service.

From:
HM Revenue & Customs
Published
19 December 2019
Last updated
14 January 2021 鈥� See all updates

Documents

PDF, 209 KB, 7 pages

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ODT, 67.5 KB

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ZIP, 3.89 MB

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ZIP, 191 KB

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ZIP, 14.9 KB

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ZIP, 3.11 MB

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ZIP, 22.6 KB

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Details

Individual returns technical specifications for software developers working with the Self Assessment online service.

Updates to this page

Published 19 December 2019
Last updated 14 January 2021 show all updates

  1. 皇冠体育app exclusion cases version 4.0 (22 October 2020) has been replaced with the exclusions version 5.0 document (6 January 2021).

  2. Exclusion cases version 4.0 (22 October 2020) has been added.

  3. Exclusion cases version 3.0 (2 July 2020) has been added.

  4. Specials v1.1 and Exclusions v2.0 PDFs (5 June 2020) have been added.

  5. Specials and Exclusions documents version 1.0 (31 March 2020) have been added.

  6. Specials and exclusions documents version 0.1 (25 February 2020) have been added.

  7. First published.

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