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Check what you need to do when taking lump sums so you know what's tax free.
Use the online service if you're a sole trader or landlord to sign up for Making Tax Digital for Income Tax and find out what to do next.
How to update your details online if you have started with a new employer and you think your tax code is wrong.
Use form MATCF to apply for Marriage Allowance to transfer 10% of your Personal Allowance to your husband, wife or civil partner.
If Income Tax has been deducted from your savings and investments, get a refund using form R40.
Use this form to work out interest and penalties for tax years ending 5 April 2006 to 5 April 2024.
How to check your tax if your pay is not what you expected, and update your details if you think your tax code is wrong.
Rates and allowances for travel including mileage and fuel allowances.
How you'll be paid, what you’ll be paid, and how to check your pay when you’re employed by an umbrella company as a temporary worker.
How to claim a refund in the current tax year if you've stopped working, have flexibly accessed and emptied your pension pot, and have a P45 from your pension provider.
Find out about the foreign income and gains (FIG) regime which replaced the remittance basis on 6 April 2025.
See how to work out the tax relief for individual landlords and assess the impact of the finance cost restriction from 6 April 2017.
How to claim a refund on tax and personal allowances on UK income if you're not resident in the UK on form R43.
Find out the actual and average official rates of interest on beneficial loan arrangements.
Use the online service to sign up your client for Making Tax Digital for Income Tax if you’re an agent.
Use form R38 to claim an Income Tax refund by post or nominate someone else to receive the refund on your behalf.
Use this form to work out Income Tax, interest, penalties and Class 4 National Insurance contributions for tax years ending 5 April 2010 to 5 April 2024.
Find examples to help landlords avoid common mistakes when working out and reporting income and profit from renting out a property.
How to update your details online if the estimate of your income for the year is going to be more or less than expected.
How main and supporting agents can help sole traders and landlords manage Making Tax Digital for Income Tax.
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