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This treaty was presented to Parliament March 2019.
Use this technical documentation for individual returns if you're a software developer working with the Self Assessment Online service.
Impacting definitions and the Financial Secretary to the Treasury’s declaration for tax information and impact notes.
Use the General Anti-Abuse Rule Advisory Panel opinion on employee rewards provided as gold bullion to help you recognise abusive tax arrangements.
Get guidance from HMRC if you're a tax agent or an adviser.
Real Time Information (RTI) Rules and Interface Management (RIM) artefacts and supporting technical specifications for software developers.
This factsheet explains what happens if you get a warning notice under the Serial Tax Avoidance Regime (STAR).
Use this guidance for support if you're a software developer working with the Self Assessment Online service.
Check the availability and any issues affecting the Online End of Year Expenses and Benefits online service.
Tax avoidance schemes that HM Revenue and Customs believe to be live and widely available, to help those using them to avoid tax.
Impacting definitions and the Exchequer Secretary to the Treasury's declaration for tax information and impact notes.
Use the version of the guidance that was published when the arrangements were entered into. The latest version was published on 16 July 2021.
This bulletin tells you about the new telephone number to call when contacting Enforcement and Insolvency Services.
Income Tax and National Insurance changes from April 2020.
Use these materials to communicate with your members, clients, and customers about changes to VAT interest charges, late submission and late payment penalties from January 2023.
Tax avoidance schemes that HM Revenue and Customs (HMRC) believe to be live and widely available, to help those using them to avoid tax.
You were able to get a payment deferral or deregister if you were a business with an annual fee due between 1 May and 30 September 2020.
Trust and estate returns technical specifications for Self Assessment Online software developers.
Find out about transitional rules for Land Transaction Tax (LTT) following the change from Stamp Duty Land Tax (SDLT) in Wales on 1 April 2018.
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