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Find out how to calculate your taxable profits.
Check the availability and any issues affecting the Self Assessment online service.
Find examples to help landlords avoid common mistakes when working out and reporting income and profit from renting out a property.
Check if an estate can get the residence nil rate band (RNRB) when someone downsizes, gifts or sells their home before they die.
Find help about filling in the Capital Gains Tax summary pages of your tax return when someone dies.
Use this page to check which software works with Making Tax Digital for Income Tax.
Check if the Let Property Campaign applies to you and find out how to make a disclosure to HMRC for unpaid tax.
Find out how gifts are treated for Capital Gains Tax.
Use the SA303 form to apply to reduce your Self Assessment payments on account.
Rates, allowances and limits for National Insurance.
Use the Self Assessment helpsheet (HS263) to work out tax credit relief on income that you've paid foreign tax on.
Call, chat or write to HMRC about Self Assessment or PAYE if you’re authorised to act as an agent or tax adviser for your client.
If you're an employee working at sea outside of the UK check if you can claim tax relief on your earnings.
Register your client’s estate online if you’re a tax agent or adviser.
Find out about tax reliefs and allowances available from HMRC if you run a business, employ people or are self-employed.
Find out about Double Taxation Relief and a list of territories with a double taxation treaty with the UK.
Understand the basic rules for trustees, settlors and beneficiaries of non-resident trusts.
If both the UK and another country charge Inheritance Tax, you could avoid or reclaim the tax through a double taxation convention.
Learn more about VAT including accounting schemes, VAT Returns and keeping records.
How to make a negligible value claim for unquoted shares, and how to check if shares previously quoted on the London Stock Exchange now have negligible value.
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