Guidance

Self Assessment technical specifications for software developers (2019)

Use this guidance for support if you're a software developer working with the Self Assessment Online service.

From:
HM Revenue & Customs
Published
13 December 2018
Last updated
8 March 2019 — See all updates

Documents

Transaction Engine: support for software developers

https://www.gov.uk/government/collections/government-gateway-support-for-software-developers

How to use the test service version 1.0 (27 November 2018)

PDF, 138 KB, 7 pages

This file may not be suitable for users of assistive technology.

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If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Non form validation rules version 1.0 (27 November 2018)

PDF, 151 KB, 10 pages

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HMRC(IR)mark: support for software developers

https://www.gov.uk/government/collections/hmrcirmark-support-for-software-developers

Acceptable characters version 1.0 (27 November 2018)

PDF, 91.1 KB, 1 page

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Copy declaration version 1.0 (27 November 2018)

PDF, 78.4 KB, 2 pages

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Attachments recognition version 1.0 (18 February 2019)

ZIP, 176 KB

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Details

These technical specifications are for software developers working with the Self Assessment Online service.

Published 13 December 2018
Last updated 8 March 2019 + show all updates

  1. A new 'Attachments recognition version 1.0 (18 February 2019)' has been added.

  2. First published.

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