- HM Revenue & Customs
- Part of:
- Self Assessment Online: support for software developers and Software development for HMRC
- 16 October 2015
- Last updated:
- 13 April 2016, see all updates
Returns technical specifications for Self Assessment Online software developers.
PDF, 177KB, 7 pages
PDF, 210KB, 12 pages
PDF, 133KB, 2 pages
PDF, 136KB, 1 page
PDF, 115KB, 2 pages
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Returns technical specifications for software developers working with the Self Assessment Online service.
Published: 16 October 2015
Updated: 13 April 2016
- Attachment recognition version 1.0 (10 February 2016) file has been added to the page.
- First published.