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Posted Fri, 21 Jul 2023 16:42:25 GMT by msirl
Hi, This is the first year that I file my self assessment tax return. I will file online through the HMRC system. I need to fill in the SA 108 Capital Gains Tax summary because I have conducted multiple stocks transactions during the year. I have a detailed computation of these transactions. I want to ask whether I can attach a file (e.g. a PDF) as information to be submitted in box 54 ("Any other information")? Many thanks!
Posted Mon, 31 Jul 2023 11:31:35 GMT by HMRC Admin 19

Yes, the boxes on the tax return are summary figures of your gains / losses. You can attach a pdf file with a breakdown of the transactions, to support the figure declared in your return. Just before you submit your tax return, you will have the option to add pdf documents.

Thank you.

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