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Real Time Information (RTI) Rules and Interface Management (RIM) artefacts and supporting technical specifications for software developers.
Check the availability and any issues affecting the Shared Workspace online service.
Find HMRC payroll test data for software developers.
Guidance for Stamp Tax Online software developers on Government Gateway, HMRCIRmark and stamps taxes.
Check the availability and any issues affecting the Submit a Digital Services Tax return online service.
What happens when HMRC investigates your VAT affairs under the Civil Evasion Penalty Notice 730 procedure. For investigations started before 31 January 2012.
Information on a number of schemes designed to avoid Income Tax and National Insurance contributions by using capital advances, joint and mutual share ownership agreements.
How you could register and make a disclosure if you hold investments in Liechtenstein. The facility closed on 31 December 2015.
Find out how the GAAR Advisory Panel opinions are used by HMRC to decide whether tax arrangements are abusive.
Find out about the tax avoidance schemes being used to target workers returning to the NHS to help respond to the coronavirus (COVID-19) outbreak.
Find out how much you'll need to pay if Digital Services Tax applies to your business.
Agent authorisation PAYE technical specifications for software developers.
Agent authorisation Self Assessment technical specifications for software developers.
Get guidance from HMRC if you’re a tax agent or an adviser.
Get guidance from HMRC if you're a tax agent or an adviser.
Get guidance from HMRC if you're a tax agent or an adviser
Find the alcohol and tobacco warehouse declaration (ATWD) technical specifications for software developers.
Tax treaties and related documents between the UK and Aruba.
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