- HM Revenue & Customs
- Part of:
- Real Time Information online: support for software developers and Software development for HMRC
- 22 August 2013
- Last updated:
- 14 August 2017, see all updates
Internet submissions technical specifications for Real Time Information online software developers.
PDF, 397KB, 7 pages
PDF, 276KB, 8 pages
Technical specifications for software developers working with the Real Time Information online service.
Published: 22 August 2013
Updated: 14 August 2017
- How to use the internet services version 1.8 and Non-form validation rules version 1.1 have been added to this page.
- Non-form validation rules v1.0 added to the page.
- How to use the internet services has been updated.
- First published.