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Submission of two ST600 reports

Posted by Georgia Georgiou 14 Jan 2026 at 15:03
I am writing regarding the submission of Corporation Tax returns (CT600) for my company.

I am required to submit two CT600 returns for the following accounting periods:
• from 17 October 2024 to 16 October 2025
• from 17 October 2025 to 31 October 2025

I have successfully submitted the first CT600 return via the HMRC online service. However, when attempting to submit the second return, I receive the following message:

“Your turnover exceeds the limit of £25,972 and you are not able to proceed with this service. Please review your answer, and consider using third party software.”

How can I submit a second report using your program?

1 Comment

T
Tim Fouracre Staff 14 Jan 2026 at 17:52
Search for your company from tinytax.co.uk, complete the simple form choosing accounting period 31 Oct 2025 and then preview the generated documents prior to submission. A full help guide is here: https://tinytax.co.uk/support/filing-your-first-ct600