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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.
Use this service to claim tax relief on your personal pension and workplace pension scheme or change an existing claim.
How to work out your adjusted net income and the circumstances when it can affect your tax liability.
Guidance for sole traders, landlords, and agents to sign up early to use HMRC's new way to report self-employment and property income and expenses for the tax year 2025 to 2026.
Use form SA1 to register for Self Assessment for any reason other than self-employment.
Find out how to appeal an individual or partnership Self Assessment penalty.
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.
Find out about tax as a landlord, and how to work out your rental income if you rent out property.
Use the PAYE tax calculator to work out how much Income Tax an employee needs to pay, in a pay period that is in the current tax year.
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.
Use this tool to help you find software that meets your needs for Making Tax Digital for Income Tax.
Use form CA5403 to request a copy of your National Insurance number by post.
Find out how tax on dividend income and interest from savings is worked out by HMRC.
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 what counts as qualifying income from self-employment and property for using Making Tax Digital for Income Tax.
Find out the scale rate expenses for accommodation and subsistence paid to employees who travel outside of the UK.
Get a refund if you’ve made an overpayment on your PAYE bill for the current or a previous tax year.
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.
What you need to do if you've submitted a declaration using the Customs Declaration Service and need to send supporting documents or respond to HMRC queries.
Use our online service to apply to pay voluntary National Insurance contributions for periods abroad.
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