Policy paper

Service level agreement for operation of Welsh rates of Income Tax by HMRC

This service level agreement between HMRC and the Welsh Government sets out the requirements and performance measures for the operation of Welsh rates of Income Tax.

• From: HM Revenue & Customs
• Published: 19 February 2020
• Last updated: 30 June 2026
  Show all updates

  1. 30 June 2026

     Updated the service level agreement for 2026 to 2027.

  2. 17 July 2025

     Updated the service level agreement for 2025 to 2026.

  3. 25 January 2024

     Updated to include a confidentiality agreement setting out how HMRC will treat sensitive policy information shared by the Scottish/Welsh Government.

  4. 27 March 2023

     Added Welsh translation.

  5. 16 February 2023

     Updated the service level agreement for 2022 to 2023.

  6. 3 November 2021

     Published the service level agreement for 2021 to 2022.

  7. 12 October 2020

     Published an updated version of the Service Level Agreement for 2020 to 2021

  8. 19 February 2020

     Added translation

Applies to Wales

Documents

Service Level Agreement for operation of Welsh rates of Income Tax (WRIT) by HMRC

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Details

This agreement ensures a consistent quality of service to Welsh taxpayers and allows HMRC and the Welsh Government to meet their respective responsibilities in respect of operating Welsh rates of Income Tax.

For previous versions of the service level agreement, see The National Archives website:

• the agreement that covered 2025 to 2026

• the agreement that covered 2022 to 2024

• the agreement that covered 2020 to 2021