Corporation Tax Help Guide

This section covers all the features within the Capium Corporation Tax module in detail, broken down into sections

Super deduction @ 130% and First year allowance @ 50%
It is now confirmed from the HM Treasury that for expenditure incurred from 1 April 2021 until the end of March 2023, companies can claim 130% capital allow...
Fri, 25 Jun, 2021 at 11:22 AM
How to Amend the CT600
There are two scenarios in creating the CT600 amended returns: If you have prepared and sent the Original CT600 return from another software and need to ...
Tue, 31 Jan, 2023 at 10:27 AM
Corporation Tax- How to carry forward losses & offset them against a current years trading profits
Location: Go into a client, Tasks > CT600 return > Create new CT600 or go to existing one (under the action dropdown menu: 'Edit return') ...
Thu, 5 Jan, 2023 at 3:16 PM
How to get CT600 tax due document
To get a CT600 tax due document and send it across to a client.  Navigation: Corporation Tax > Selected client > Tasks > CT600  Follow...
Fri, 2 Jun, 2023 at 2:48 PM
How to change tax-due document template
To format a tax-due document template within the Corporation Tax module.  Navigation: Corporation Tax > General settings > Document templates ...
Fri, 2 Jun, 2023 at 2:44 PM
Corporation Tax CT600P
HMRC has announced a delay in the requirement for the CT600P supplementary form. Initially expected from April 2025, this has now been postponed until Apri...
Tue, 22 Apr, 2025 at 4:49 PM
How to include CT600E to CT 600 return?
Title: How to Incorporate CT600E Return in Your Corporation Tax Filing If you need to incorporate the CT600E supplementary form in your Corporation Tax ...
Tue, 21 Oct, 2025 at 11:34 AM
How to Include CT600L Supplementary Form
If you need to include the CT600L supplementary form, you can easily do so by following these simple steps: 1. Navigate to Corporation Task: First, g...
Tue, 21 Oct, 2025 at 11:41 AM
Corporation Tax - Company Ceased
This is to inform you that adding the cessation period on the front page of an accounts report is not an option. As a workaround, you can navigate to Ac...
Tue, 21 Oct, 2025 at 2:56 PM
IR Mark Not Found
Title: IR Mark Not Found If you are experiencing the issue of the 2022 – IR mark not found in the Capital Allowances section of the Corporation Tax modu...
Tue, 21 Oct, 2025 at 4:19 PM