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  • Reactivating Self-Assessment after a long break (over 20 years)

    I last submitted a tax return for the 2002 to 2003 tax, after which I was taken out of Self -Assessment. I now find myself needing to submit a return for the 2023 to 2024 tax year for my investment income. I have no other reason to submit a return. I submitted form SA1 a couple of months ago, but this was rejected, as I already have a UTR . I can see my Self-Assessment details for the old years in my Personal Tax Account. I have read in other posts that I will need to reactivate the account, but none of the instructions have been very clear on how this is done. I have logged into my account recently, so is this all that is needed? I had thought I would need to receive a notice to file from HMRC before submitting a return for the 2024 to 2024 tax year. However, do I simply submit an unsolicited return online for the 2023 to 2024 tax year sometime between 6 April 2024 and 31 January 2025? Your advice would be appreciated.