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Use supplementary pages SA102 to record employment income on your SA100 Tax Return.
If you're an agent, find out how to get an agent code for the Corporation Tax or Self Assessment online services for agents.
Use supplementary pages SA907 to declare charity status on the SA900 Trust and Estate Tax Return.
Find helpsheets, forms and notes to help you fill in the capital gains pages of your Self Assessment tax return.
HMRC records a rise in the number of customers reporting 'suspicious contact' from fraudsters.
Use supplementary pages SA906 to declare residence status on the SA900 Trust and Estate Tax Return.
Use this form to submit a declaration for loss of earnings if you're self-employed. Only use for employment tribunal claims made on or before 8 April 2012.
Support and technical specifications for software developers working with the Self Assessment online service.
Use supplementary pages SA902 to record partnership income on the SA900 Trust and Estate Tax Return.
Use supplementary pages SA904 to record foreign income and capital gains on the SA900 Trust and Estate Tax Return.
Use supplementary pages SA901 to declare details of trades on the SA900 Trust and Estate Tax Return.
British AI company Wayve announces $1.05 billion investment to develop the next generation of AI-powered self-driving vehicles
These manuals contain guidance on Self Assessment.
Find software suppliers for tax returns, supplementary pages and attachments.
Information and reports about the national HIV self-sampling service in England.
Find helpsheets, forms and notes to help you fill in the UK property pages of your tax return.
Use supplementary pages SA905 to declare capital gains on the SA900 Trust and Estate Tax Return.
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