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Find out who can claim under the foreign income and gains (FIG) regime, what income and gains qualify, how to claim in Self Assessment, and the effect on your allowances.
Agent authorisation Self Assessment technical specifications for software developers.
Details of record keeping, enquiries, completion of Self Assessment returns, and interpretation of 'merely incidental' duties.
If you received Horizon Shortfall Scheme (HSS) compensation between 6 April 2022 and 5 April 2025 you can get support with your Self Assessment tax return.
This factsheet tells you about old Self Assessment penalty rules and when they apply.
Get help if you’re a tax agent or adviser who has clients with Income Tax losses to declare on Self Assessment tax returns.
Use this technical documentation for individual returns if you're a software developer working with the Self Assessment Online service.
Use this guidance for support if you're a software developer working with the Self Assessment Online service.
Partnership returns technical specifications for Self Assessment Online software developers.
An overview of announcements made by HM Revenue and Customs (HMRC) for Budget 2014.
Returns technical specifications for Self Assessment Online software developers.
Trust and estate returns technical specifications for Self Assessment Online software developers.
Use this technical documentation for partnership returns if you’re a software developer working with the Self Assessment Online service
Use this technical documentation for individual returns if you're a software developer working with the Self Assessment online service.
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