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

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 v1.0

ODT, 116 KB

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Details

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

Published 25 September 2024