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  • RE: Filing tax returns for previous years

    I tried registering for another SA1 form, but HMRC sent me this: 'Unfortunately we are unable to process your registration form for Self Assessment as our records show that you already have a live Self Assessment record with a Unique Taxpayer Reference (UTR)' I assume it's referring to the 2021-2022 tax year. I had a tax service submit my tax form for that year, so I don't know how to clear that.
  • Filing tax returns for previous years

    I need to file a tax return for the 2020-2021 tax year. How would I do this? Do I have to register for another SA1 form? On a related note, my tax return for this year was submitted using a tax service. Is there a way to confirm that it was received by HMRC?