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How to use A/B testing to evaluate your digital health product.
How HMRC deals with customers who are involved in tax avoidance, tax evasion or repeated insolvency who receive a joint and several liability notice, including how notices interact with penalties and safeguards.
Find out what makes a person an enabler of tax avoidance, and what to do about legally privileged communications.
Find out about abusive and defeated tax arrangements, and how the legislation is applied.
Attorney General's guidelines for prosecutors on the use of the common law offence of conspiracy to defraud. First published 2007.
Upper Tribunal Administrative Appeals Chamber decision by Judge Stout on 23 October 2025.
Advice on planning appeals and the award costs.
Find out how the GAAR Advisory Panel opinions are used by HMRC to decide whether tax arrangements are abusive.
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