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Find recognised suppliers and software for pension schemes.
Find out about the compliance checks HMRC carries out on certain large, complex businesses and their tax affairs.
Get help if you’re a tax agent or adviser who has clients with capital allowances for plant and machinery to declare on Self Assessment and Company Tax returns.
Tax treaties and related documents between the UK and Netherlands Antilles (Curacao,Sint Maarten and BES Islands).
Reciprocal Agreement with Netherlands Antilles relating to the European Union (EU) Directive on taxation savings income in the form of interest payments.
iXBRL samples for Corporation Tax Online software developers.
Get help if you’re a tax agent or adviser who has clients with National Insurance contributions and statutory payments to declare on tax returns.
Find HMRC payroll test data for software developers.
Directions from the commissioners for HM Revenue and Customs (HMRC) about electronic returns.
An overview of the High Risk Corporates Programme.
Excise Movement and Control System (EMCS) technical specifications for software developers.
Draft guidance on the operation of the Northern Ireland Corporation Tax legislation.
Find out about the independent General Anti-Abuse Rule (GAAR) Advisory Panel opinion on a tax avoidance arrangement that rewarded a director through a remuneration trust.
Excise Duty rates for bingo, the National Lottery, amusement machines and general betting.
A guide to explain the role of the Adjudicator and Adjudicator’s Office when investigating complaints about HM Revenue & Customs (HMRC) and the Valuation Office Agency (VOA).
Check agent authorisation technical specifications if you are a software developer.
Use this technical documentation for trust and estate returns if you’re a software developer working with the Self Assessment Online service.
Check the availability and any issues affecting the Rebated Oils Enquiry Services online service.
A bi-monthly magazine for employers and agents that gives up-to-date information on payroll topics.
Get help if you're a tax agent or adviser who has clients with foreign income to declare on Self Assessment tax returns.
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