Collection Tax collection and management: technical guidance Detailed guidance describing the powers and duties of the Welsh Revenue Authority and duties and rights of taxpayers. Part of: Land Transaction Tax and Landfill Disposals Tax Organisation: Welsh Revenue Authority First published: 22 May 2018 Last updated: 22 October 2019 In this collection Technical guidance Guidance updates Technical guidance Claiming a refund 21 October 2019 Detailed guide Penalties 24 May 2019 Detailed guide Investigative powers 26 April 2018 Detailed guide Interest 13 September 2019 Detailed guide Debt recovery 26 April 2018 Detailed guide Taxpayer information 26 April 2018 Detailed guide Reviews and appeals 8 November 2019 Detailed guide General anti-avoidance rule 1 February 2019 Detailed guide Tax returns, enquiries and assessments 13 December 2018 Detailed guide Guidance updates Changes to technical guidance 8 November 2019 Detailed guide
