Self Assessment
Services
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Sign into or set up a personal tax account to check and manage HMRC records, including Income Tax, change of address, Self Assessment and company car tax.
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How to register for Self Assessment if you need to send a tax return or want to make voluntary Class 2 National Insurance payments.
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Use this tool to find out what you need to do to get a tax refund (rebate) if you’ve paid too much Income Tax.
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Sign in and send your Self Assessment tax return online.
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Self Assessment tax returns - deadlines, who must send a tax return, penalties, corrections and returns for someone who has died.