Register for self assessment

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  • When is self assessment tax due

    • Self assessment tax return form

  • Self assessment tax return form
  • Self assessment login
  • Hmrc self assessment
  • Self assessment tax return deadline
  • Tax year dates 22/23

    • Hmrc self assessment.

    Self Assessment tax returns

    HM Revenue and Customs (HMRC) must receive your tax return and any money you owe by the deadline.

    The last tax year started on 6 April 2023 and ended on 5 April 2024.

    Deadline for telling HMRC you need to complete a return

    You must tell HMRC by 5 October if you need to complete a tax return and have not sent one before.

    You can tell HMRC by registering for Self Assessment.

    Deadline for submitting a paper return

    If you’re doing a paper tax return, you must submit it by midnight 31 October 2024.

    Deadline for submitting an online return

    If you’re doing an online tax return, you must submit it by midnight 31 January 2025.

    Deadlines for paying tax you owe

    You need to pay the tax you owe by midnight 31 January 2025.

    There’s usually a second payment deadline of 31 July if you make advance payments towards your bill (known as ‘payments on account’).

    You’ll usually pay a penalty if you’re late.

    You can appeal against a penalty if you have a reasonable excuse.

    If you do not know your profit for the whole tax year

    You might not know what your pr

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