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Agent authorisation Corporation Tax technical specifications for software developers.
Agent authorisation Construction Industry Scheme technical specifications for software developers.
Find out the latest information on the progress of HMRC's 'Agent and Client Statistics'.
Check the availability and any issues affecting the DIY housebuilder scheme online service.
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.
Find information on a tax avoidance arrangement used to avoid tax and National Insurance contributions by selling future business revenues to a trust.
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.
Forms P60 (2017 to 2018) for PAYE software developers.
Use this guidance for support if you're a software developer working with the Self Assessment 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.
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.
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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