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Use form MATCF to apply for Marriage Allowance to transfer 10% of your Personal Allowance to your husband, wife or civil partner.
How to claim a refund in the current tax year if you are not getting taxable benefits or a pension from your employer and you've not started a new job (P50).
Check if you get an exemption from Making Tax Digital for Income Tax and how it applies.
Find out if you need to declare income from selling personal possessions, goods or services online, creating online content or renting out property using digital platforms.
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 .
Use this form to work out interest and penalties for tax years ending 5 April 2006 to 5 April 2024.
Find the rates and allowances for Income Tax including the previous 3 tax years.
If Income Tax has been deducted from your savings and investments, get a refund using form R40.
Check what you need to do when taking lump sums so you know what's tax free.
If you're an agent, use the online service to sign up your client for Making Tax Digital for Income Tax.
How to update your details online if you have started with a new employer and you think your tax code is wrong.
Rates and allowances for travel including mileage and fuel allowances.
Find out about the foreign income and gains (FIG) regime which replaced the remittance basis on 6 April 2025.
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.
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.
Learn more about paying tax and keeping records as a property landlord.
Learn more about Making Tax Digital for Income Tax if you're an agent, sole trader or landlord.
Use the online tool throughout a check to guide you through each stage and to access the support available.
How to claim a refund on tax and personal allowances on UK income if you're not resident in the UK on form R43.
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.
Don’t include personal or financial information like your National Insurance number or credit card details.
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