Guidance

Real Time Information internet submissions: 2025 to 2026 technical specifications

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

• From: HM Revenue & Customs
• Published: 25 September 2024
• Last updated: 10 January 2025 — See all updates

Documents

RTI RIM 2026 v1-0.zip

ZIP, 888 KB

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Changes between 2024 to 2025 and 2025 to 2026 RIM v1.0

ODT, 14 KB

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RTI data item guide 2025 to 2026 v1.1a

ODT, 112 KB

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RTI valid xml samples 2025 to 2026 V1.0

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Details

Test service support from October 2024. Live service from March 2025.

Published 25 September 2024
Last updated 10 January 2025 + show all updates

1. 10 January 2025

   The RTI data item guide 2025 to 2026 v1.1 has been added.

2. 27 December 2024

   The RTI data item guide 2025 to 2026 v1.0 has been removed and RTI valid xml samples 2025 to 2026 v1.0 has been added.

3. 25 September 2024

   First published.