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Find out how to get a certificate of residence as an individual, company or organisation so you do not get taxed twice on foreign income.
How to claim a refund in the current tax year on an overpayment of tax when you've flexibly accessed part of your pension pot.
Check if you get an exemption from Making Tax Digital for Income Tax and how it applies.
Use this calculator to work out employee National Insurance contributions for the current tax year, if you're an employee, employer, or a software developer.
How to check if you’ve paid the right amount of tax, if your pay is not what you expected.
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).
Check how the government calculates and spends your Income Tax and National Insurance contributions within your Annual Tax Summary.
From 6 April 2026, the rules for paying voluntary National Insurance contributions for time spent working or living abroad are changing.
Use form SA1 to register for Self Assessment for any reason other than self-employment.
If you're an agent, use the online service to sign up your client for Making Tax Digital for Income Tax.
Use form CA5403 to request a copy of your National Insurance number by post.
How to claim back tax that HMRC owes you on a small pension lump sum that you've received in the current tax year (P53).
How to pay taxes, penalties and enquiry settlements to HMRC if you cannot find instructions in other 'paying HMRC' guides, or if your payment reference starts with X.
Apply for a refund of the higher rates of Stamp Duty Land Tax (SDLT16) for additional properties if you sell what was previously your main home.
Find out how all childminders can continue to get tax relief for wear and tear, household costs, food and drink, and other business expenses, following changes announced at Budget 2025.
Find out how tax on dividend income and interest from savings is worked out by HMRC.
Use this online tool to help you find the right guidance and support if you owe money to HMRC for tax or penalties.
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).
Use these rates and allowances for Capital Gains Tax to work out your overall gains above your tax-free allowance, known as the annual exempt amount.
Apply online for a PDU1 certificate for unemployment benefit if you live or will be living abroad, or for a paper statement of your National Insurance contributions.
Don’t include personal or financial information like your National Insurance number or credit card details.
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