Change of https://www.gov.uk/government/publications/real-time-information-internet-submissions-2027-to-2028-technical-specifications

Change description : 2026-09-16 09:30:00: ‘RTI data item guide 2027 to 2028 v1.0’ has been added. [Guidance and regulation]

Showing diff : 2026-09-09 12:45:42.684493327 +00:00..2026-09-16 08:34:33.817697881 +00:00

Guidance

Real Time Information internet submissions: 2027 to 2028 technical specifications

Real Time Information (RTI) Rules and Interface Management (RIM) artefacts and supporting technical specifications for software developers.

Documents

RTI RIM 2028 v2.0.zip

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Changes between 2026 to 2027 and 2027 to 2028 RIM v2.0

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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.

RTI data item guide 2027 to 2028 v1.0

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 different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

Test service support from October 2026. Live service from March 2027.

Updates to this page

Published 9 September 2026
Last updated 16 September 2026 Show all updates
  1. 'RTI data item guide 2027 to 2028 v1.0' has been added.

  2. First published.

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Update history

2026-09-16 09:30
‘RTI data item guide 2027 to 2028 v1.0’ has been added.

2026-09-09 13:45
First published.