Change of https://www.gov.uk/government/publications/real-time-information-internet-submissions-2026-to-2027-technical-specifications

Change description : 2025-09-16 16:23:00: ‘RTI data item guide 2026 to 2027 v1.0’ has been added. [Guidance and regulation]

Showing diff : 2025-08-07 22:48:09.278034470 +00:00..2025-09-16 15:23:39.775719081 +00:00

Guidance

Real Time Information internet submissions: 2026 to 2027 technical specifications

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

From:
HM Revenue & Customs
Published
7 August 2025
Last updated
16 September 2025 — See all updates

Documents

RTI RIM 2027 v1.0.zip

ZIP, 2.9 MB

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Changes between 2025 to 2026 and 2026 to 2027 RIM v1.0

ODT, 16.2 KB

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RTI data item guide 2026 to 2027 v1.0

ODT, 124 KB

This file is in an OpenDocument format

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Request an accessible format.
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Details

Test service support from October 2025. Live service from March 2026.

Updates to this page

Published 7 August 2025
Last updated 16 September 2025 href="#full-history">+ show all updates

  1. 'RTI data item guide 2026 to 2027 v1.0' has been added.

  2. First published.

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Update history

2025-09-16 16:23
‘RTI data item guide 2026 to 2027 v1.0’ has been added.

2025-08-07 06:28
First published.