What records do I need for Self Assessment?
Get your income, expenses and supporting documents together before your return is prepared.
Guides and factsheets
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HCA guides
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Showing 6 guides
Get your income, expenses and supporting documents together before your return is prepared.
Check when the digital-record and quarterly-update rules may apply to you.
Understand the turnover test and the questions to resolve before you register.
A practical starting list for PAYE, starter information and workplace pensions.
Bring the accounting records together and keep the company’s filing duties in view.
CIS for 2026/27: the 20%, 30% and 0% deduction rates, monthly returns by the 19th, payment by the 22nd and nil returns since 6 April 2026.
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