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  • SA109 - Submission method

    Hi HMRC Admin, Wish you are doing well. I would like to submit ONLINE self assessment due to I have foreign interest from overseas bank but I only became UK resident since 1st Aug 2022. I know that I will need to submit SA109 for split year treatment. But I am confused of what method I can submit SA109 correctly. For this case, if I submit ONLINE self assessment (I think it is called SA100), can I send SA109 by post separately? Or any other methods I can consider? Thanks and looking forward to your assistance. Best regards, Ray