IRIS Keytime Important Known Issues

It is important to us that we resolve any problems that are found in the Keytime Accountants’ Suite.

If your problem is listed below, we are working hard to resolve these as quickly as possible.
Issues that have been fixed or are due to be fixed in the next release, are identified as such.

The following are known issues that are affecting the IRIS Keytime Accountants’ Suite:

Corporation Tax

Issue resolved in the Spring service pack release (v25.1.321)

The CT600P has been removed from the software. The submission of the CT600P will be postponed to April 2026 due to a late change from HMRC.    

Issues resolved in the Spring release (v25.1.0)

Unable to claim R&D intensive SME for periods starting after April 2023
When attempting to claim R&D intensive SME for periods starting after April 2023, the amount of trading loss in the second column in the RDE was not being saved.

Trust Tax

Issue resolved in the Spring service pack releases (v25.1.321)

Keytime SA905 Investors’ Relief
The investors relief lifetime limit has been lowered to £1m for 2024/25 and is now being ‘handled’ correctly.