Guidance

Self Assessment technical specifications (2016): individual returns

Individual returns technical specifications for Self Assessment Online software developers.

• From: HM Revenue & Customs
• Published: 16 October 2015
• Last updated: 2 March 2017
  Show all updates

  1. 2 March 2017

     Updated document exclusion version 5.0 (27 January 2017) added.

  2. 3 August 2016

     New documents added for Stage 13 (payments on account) tax and National Insurance contributions calculation version 4.0 (8 July 2016), test case generator version E12.1 (8 July 2016) and exclusions version 4.0 (13 July 2016).

  3. 13 April 2016

     All documents updated for the 2015 to 2016 tax year.

  4. 22 January 2016

     Attachments added to the page.

  5. 16 October 2015

     First published.

Documents

Self Assessment individual RIM artefacts version 1.2 (19 February 2016)

3.45 MB

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Tax and National Insurance contributions calculation version E16.0 (21 January 2016)

181 KB

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Stage 13 (payments on account) tax and National Insurance contributions calculation version 4.0 (8 July 2016)

14 KB

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Test case generator version E12.1 (8 July 2016)

1.5 MB

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MTR mapping document version 1.1 (26 February 2016)

21.6 KB

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Specials version 1.0 (14 January 2016)

PDF, 170 KB, 12 pages

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Exclusions version 5.0 (27 January 2017)

PDF, 113 KB, 14 pages

Recognition process and additional test case data version 1.0 (15 February 2016)

8.59 KB

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Individual valid sample version 1.0 (26 February 2016)

1.4 KB

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Details

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