Guidance

Real Time Information internet submissions: 2024 to 2025 technical specifications

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

• From: HM Revenue & Customs
• Published: 6 September 2023
• Last updated: 27 May 2025 — See all updates

Documents

RTI RIM 2025 v1.0

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Changes between 2023 to 2024 and 2024 to 2025 RIM v1.0

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RTI data item guide 2024 to 2025 v1.1

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RTI valid samples 2024 to 2025 v1.0

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Details

Test service support from October 2023. Live service from March 2024.

Published 6 September 2023

Last updated 27 May 2025 + show all updates

1. 27 May 2025

   Information about applying for PAYE recognition for your software product has been removed from the page.

2. 12 March 2024

   Information about applying for PAYE recognition for your software product has been added to the page.

3. 6 November 2023

   Valid samples have been added, and RTI data item guide has been updated to version 1.1.

4. 6 September 2023

   First published.