- HM Revenue & Customs
- Part of:
- Self Assessment Online: support for software developers, Software development for HMRC, and Self Assessment
- 20 January 2015
- Last updated:
- 12 February 2015, see all updates
Returns technical specifications for Self Assessment Online software developers.
PDF, 178KB, 7 pages
PDF, 236KB, 9 pages
PDF, 133KB, 2 pages
PDF, 137KB, 1 page
PDF, 115KB, 2 pages
This file may not be suitable for users of assistive technology. Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email email@example.com. Please tell us what format you need. It will help us if you say what assistive technology you use.
Returns technical specifications for software developers working with the Self Assessment Online service.
Published: 20 January 2015
Updated: 12 February 2015
- Attachment recognition version 1.0 (9 February 2015) ZIP added.
- First published.