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Find information on completing the employment section of your Self Assessment tax return.
Find help about filling in the Capital Gains Tax summary pages of your tax return when someone dies.
Find out how gifts are treated for Capital Gains Tax.
Use the SA303 form to apply to reduce your Self Assessment payments on account.
Check the availability and any issues affecting the Self Assessment online service.
Learn more about your responsibilities if you’re running a small business including registration, tax returns, record keeping, tax bills and payments.
Find out if you qualify for the Seafarers' Earnings Deduction.
Check if the Let Property Campaign applies to you and find out how to make a disclosure to HMRC for unpaid tax.
Find information on completing the UK property and other property sections of your Self Assessment tax return.
Use this guide to help you complete the pension savings tax charges and taxable lump sums from overseas pension schemes.
Find information on completing the Capital Gains section of your Self Assessment tax return.
Use the Self Assessment helpsheet (HS325) to work out your other taxable income and include this in your tax return.
If you complete a Self Assessment tax return, you must use it to tell HMRC about your student or postgraduate loan deductions.
How to complete the Capital Gains Tax summary of your tax return for share and security schemes.
Use the online service to register a deceased person's estate if you’re an executor, administrator or personal representative.
How to report profit on your Self Assessment tax return from 2023 to 2024 if your accounting year does not end on or between 31 March to 5 April.
Learn more about VAT including accounting schemes, VAT Returns and keeping records.
How to claim UK tax relief on your UK income under double taxation agreements if you’re a non-resident.
Find out about negative earnings, clawback bonuses and claiming tax loss relief or a tax refund.
Use the Self Assessment helpsheet (HS263) to work out tax credit relief on income that you've paid foreign tax on.
Don’t include personal or financial information like your National Insurance number or credit card details.
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