File a Self Assessment tax return

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We recommend:

• Self Assessment Online
  Did you know that you can complete and send back your Tax Return over the Internet? Self Assessment Online offers significant advantages over the traditional paper Self Assessment tax return.

You may also want:

• Self Assessment: Self Employed
  Gives details specific to Self Employed on what to complete and where to get further information.
  » view Welsh language version

• Self Assessment:Key dates
  These pages give details of the Key Dates for completing and sending back your Tax Return.
  » view Welsh language version

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