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Posted Thu, 02 Jan 2025 10:38:54 GMT by Wonlou
I only surpassed the threshold to report on another income in December, so i hadn't registered for self assessment before then. I have now since registered but the expected reply is in Feburary 2025 which is later than the 31st Jan tax payment deadline. Would i be charged a penalty, even though i only had to register due to passing the threshold way over the self assessment registration deadline?
Posted Fri, 17 Jan 2025 08:39:08 GMT by HMRC Admin 25 Response
Hi Wonlou,
If this income was from December 2024 then this will be in the current 2024/25 tax year and the Self Assessment tax return will not be due until after the tax year end 5 April 2025.
The deadline date 31 January 2025 is for filing the 2023/24 tax return online.  
Please see guidance here:
Self Assessment tax returns
Thank you.

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