Hi I have received 2 notice of codings for 23/24. August said that I owed £790 and the note said that my tax code would be adjusted to collect this amount before April 5th 24. I then received a second notice of Coding in December saying that I owed£394 and that my tax code would be adjusted to collect this amount before April 5th 24. Now I am completing my self assessment return for 23-24, do I have to include these amounts in the underpaid tax sections still? Many thanks, 

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