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Complete your self-assessment before your assessor visits.
Guidance, forms and helpsheets for Self Assessment. Including filing returns, paying your bill, refunds, penalties, and help and support.
Guidance, forms and helpsheets for self-employment. Including setting up your business, filing returns, claiming expenses and how to get help and support.
Register a new partnership for Self Assessment using form SA400.
Use supplementary pages SA103F to record self-employment income on your SA100 Tax Return if your annual turnover was above the VAT threshold for the tax year.
How customers and their suppliers must treat VAT if they're using self-billing arrangements.
Check how much you were paid for SEISS and how to repay an overpaid grant.
Use supplementary pages SA907 to declare charity status on the SA900 Trust and Estate Tax Return.
A toolkit to help local areas carry out a self-assessment to improve the residential drug and alcohol treatment that they commission.
Do not include personal or financial information like your National Insurance number or credit card details.
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