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Find out when you can expect to receive a reply from HMRC to a query or request you've made.
Use this service to claim tax relief on your personal pension and workplace pension scheme or change an existing claim.
If you're a sole trader or landlord, use the online service to sign up for Making Tax Digital for Income Tax.
How to work out your adjusted net income and the circumstances when it can affect your tax liability.
Tell HMRC if you've left or intend to leave the UK and find out how to get relief or a repayment on UK Income Tax (P85).
Find out what software you will need to report self-employment and property income to HMRC.
Use this tool to find out what the numbers and letters in your tax code mean and how much tax you will pay.
Find and use tools and calculators that will help you work out your tax.
Use this list to check if you can claim a fixed amount of tax relief (also known as 'flat rate expenses') for your work expenses if you're an employee.
How to check if you’ve paid the right amount of tax, if your pay is not what you expected.
Claim Income Tax relief on your job expenses by post using form P87.
Find out about annual tax-free allowances for property or trading income and if you qualify.
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 how the government calculates and spends your Income Tax and National Insurance contributions within your Annual Tax Summary.
Use this tool to help you find software that meets your needs for Making Tax Digital for Income Tax.
Use form MATCF to apply for Marriage Allowance to transfer 10% of your Personal Allowance to your husband, wife or civil partner.
This document is a policy explainer on the Pension Tax Allowance, which was announced at Budget 2026.
Find out how tax on dividend income and interest from savings is worked out by HMRC.
Find out about tax as a landlord, and how to work out your rental income if you rent out property.
Find out how to claim a tax refund on an additional lump sum or cash payment your private pension.
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