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When and how you need to report disposals of UK property or land to HMRC and pay Capital Gains Tax if you're not a resident in the UK.
If you’ve received a serious ill-health pension lump sum or flexibly accessed all of your pension, claim a tax refund with form P53Z .
Find out the rules for transferring the basic tax-free allowance (nil rate band) to a surviving spouse or civil partner.
Rates, allowances and limits for National Insurance.
Check what you need to do when taking lump sums so you know what's tax free.
Use form NRL1 if you are an individual non-resident landlord who wants to apply to receive UK rental income with no UK tax deducted.
Use this calculator to work out the adjustment for your Self Assessment tax return for disposals of assets on or after 30 October 2024 where the rates changed.
Find software suppliers for tax returns, supplementary pages and attachments.
If Income Tax has been deducted from your savings and investments, get a refund using form R40.
How to get personal information that HMRC holds about you.
If you've been sent a letter from HMRC, apply for a refund of Class 1 National Insurance contributions using form CA4361.
Check if a home is eligible for extra tax-free residence allowance if it is left to children, grandchildren or other direct descendants.
Find out about the foreign income and gains (FIG) regime which replaced the remittance basis on 6 April 2025.
Use this form to report Capital Gains Tax on UK property or land, if you cannot use our online service.
How to update your details online if you have started with a new employer and you think your tax code is wrong.
Learn more about getting started with Self Assessment including registration, tax returns, tax bills and payments.
Find out which gifts count towards the value of the estate, how to value them and work out how much Inheritance Tax may be due.
Use form CA9176 to apply for Class 3 National Insurance credits from 6 April 2011, if you've provided care for a child aged under 12.
Use this form to work out interest and penalties for tax years ending 5 April 2006 to 5 April 2024.
Register for Self Assessment and Class 2 National Insurance when you've joined a partnership using form SA401.
Don’t include personal or financial information like your National Insurance number or credit card details.
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