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Get help if you’re a tax agent or adviser who has clients with Income Tax losses to declare on Self Assessment tax returns.
Guidance for software developers on how to produce an IRmark for SOAP Protocol services.
Find out about common areas of error when claiming capital allowances on plant or machinery. We want to share information to help you manage the risk of an incorrect claim.
Find out what to include in your Patent Box computation. We want to share information to help you manage the risk of making an incorrect deduction.
Check the availability and any issues affecting the Income Record Viewer for agents service.
Tax treaties and related documents between the UK and Iceland.
This guidance sets out the Public Guardian’s position on a number of issues related to fixed costs charged by professional and public authority deputies
Find out the circumstances when you may have financial penalties and interest for Climate Change Levy.
Find out the criteria that HM Revenue and Customs use to assess your application to use the EPSS.
Specifications for software developers on internet submissions for PAYE expenses and benefits.
Tax treaties and related documents between the UK and Papua New Guinea.
Use this helpsheet to understand tax rules on non-resident entertainers and sportspersons.
Guidance for letting agents and tenants on their obligations under the non-resident landlord (NRL) scheme.
Tax treaties and related documents between the UK and Iran.
Get guidance from HMRC if you're a tax agent or an adviser.
Tax treaties and related documents between the UK and Croatia.
Check the availability and any issues affecting the Calculate your public service pension adjustment service.
Tax treaties and related documents between the UK and Cameroon.
Find out about the force of law guidance for Climate Change Levy.
Find out how businesses can be split into smaller sections to operate under the Construction Industry Scheme (CIS).
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