startCCH Corporation Tax 2026.3: Release Notes
Release Notes

CCH Corporation Tax 2026.3: Release Notes

CCH Corporation Tax
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Latest Release

    CCH Corporation Tax 2026.3 Release Notes

    Release Highlights

    This release of CCH Corporation Tax forms part of our annual compliance release. The work includes  but is not restricted to:

    1. Legislative and Compliance Updates. Details of these and other notable issues are included in these release notes.

    Prerequisites

    Installing CCH Corporation Tax 2026.300

    This release is installed using the Central Suite Installer. This ensures that all prerequisites are in place and that all the products for which you are licenced are installed in the correct sequence. 

    Legislative and Compliance Updates

    CT600P expenditure values on pages 2 and 6

    We have updated how Audio-Visual Expenditure Credit and Video Games Expenditure Credit expenditure values are disclosed on page 2 and how Cultural reliefs and film, high-end TV, children’s TV, animation and video games tax relief expenditure values are disclosed on page 6 of form CT600P;

    • Relevant global expenditure for this accounting period on page 2 of form CT600P
    • Total core expenditure for this accounting period on page 6 of form CT600P

    are now calculated using entries on the Profits/(Losses) screen by deducting Expenses claimed in previous periods from Total costs incurred to date (C).
     

    CCH Corporation Tax 2026-3 Release Notes 1.png

    We have added the following fields to the Tax relief screen:

    • Qualifying expenditure in prior periods

    • Qualifying expenditure in prior periods override

    CCH Corporation Tax 2026-3 Release Notes 2.png
    • Relevant global expenditure for this accounting period that is UK expenditure on page 2
    • UK core expenditure for this accounting period on page 6

    are now calculated by deducting Qualifying expenditure in prior periods from Qualifying expenditure. Where an override is entered, the calculation uses Qualifying expenditure in prior periods override instead.

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    Legal Notice

    Disclaimer : Wolters Kluwer (UK) Limited has made every effort to ensure the accuracy and completeness of these Release Notes. However, Wolters Kluwer (UK) Limited, its staff and agents will not be liable for any errors or omissions and use of the software is subject to the customer’s licence with Wolters Kluwer (UK) Limited. These Release Notes should not be relied upon as a detailed specification of the system or the software. Wolters Kluwer (UK) Limited may make changes to these Release Notes from time to time. This is provided for informational purposes only. The information reflected in this document may be changed or updated without notice. Wolters Kluwer (UK) Limited may also make improvements and/or changes in its products, practices, and/or programs described in this document at any time without notice. This document should not be seen as a contractual agreement, a modification or amendment of any existing contractual agreement with Wolters Kluwer (UK) Limited, or an indication of terms of service. All technical data, specification and other information contained in this document is confidential and the proprietary intellectual property of Wolters Kluwer (UK) Limited and/or its licensors. No reproduction, copy, alteration, or distribution thereof may be made without the express written consent of Wolters Kluwer (UK) Limited.

    Copyright: These Release Notes may not be copied, altered, edited, disposed of, or distributed without the prior consent of Wolters Kluwer (UK) Limited. The content is confidential. Unless indicated otherwise all elements of this software product are owned by Wolters Kluwer (UK) Ltd. © 2026 Wolters Kluwer (UK) Limited

    Trademark Rights: Microsoft, Windows, Windows NT, Windows for Workgroups, Windows 98, 2000, XP, MSDOS, Windows Vista, Windows 7, Windows 8, Windows 10, Windows Server, Microsoft SQL Server, and Microsoft Office, are either registered trademarks or trademarks of Microsoft Corporation. Novell and NetWare are trademarks of Novell Inc. Citrix MetaFrame is a registered trademark or trademarks of Citrix Systems, Inc. All rights reserved. All other trademarks are the property of their respective owners.

    Wolters Kluwer (UK) Limited, Wolters Kluwer House, 145 London Road, Kingston Upon Thames, Surrey, KT2 6SR

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