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Use our online service to apply to pay voluntary National Insurance contributions for periods abroad.
Find out how to appeal an individual or partnership Self Assessment penalty.
Use this tool to help you find software that meets your needs for Making Tax Digital for Income Tax.
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.
Check how the government calculates and spends your Income Tax and National Insurance contributions within your Annual Tax Summary.
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 claim a refund in the current tax year on an overpayment of tax when you've flexibly accessed part of your pension pot.
Use form CA5403 to request a copy of your National Insurance number by post.
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.
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).
Find out about annual tax-free allowances for property or trading income and if you qualify.
If you’re eligible, you can claim Income Tax relief on your job expenses by post using form P87.
Find the rates and allowances for Income Tax including the previous 3 tax years.
Use these rates and thresholds when you operate your payroll or provide expenses and benefits to your employees.
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.
Use form MATCF to apply for Marriage Allowance to transfer 10% of your Personal Allowance to your husband, wife or civil partner.
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.
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.
Find out if Inheritance Tax is due on assets transferred in or out of a trust and on certain trusts at each 10 year anniversary.
If your pension savings are more than your annual allowance, carry forward unused annual allowances from previous years.
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