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May 2026 Release

Michaela Greene
  • Updated

This release introduces two significant new features — the MTD Qualifying Income Report and Corporation Tax 2026 support — alongside a number of reliability improvements across the platform. Here is everything that has changed and what it means for your practice.

 

New Features

 

MTD Qualifying Income Report    NEW FEATURE

You can now run an MTD Qualifying Income Report directly from the Reports menu in BrightTax. This report gives you a complete, practice-wide view of which clients will be required to file under Making Tax Digital for Income Tax, and from which tax year — replacing the equivalent report previously available in BTC desktop software.

  • See each client's self-employment, UK property, and foreign property income alongside their total MTD qualifying income
  • View the tax year from which MTD filing becomes mandatory for each client
  • See any applicable exemption reason at a glance
  • Filter results by tax year, your own clients, active or inactive clients, and whether completed items are included
  • Click through to a client's tax return directly from the report results
  • Data is drawn automatically from income already held in your clients' ITRs — no separate data entry required

 

Corporation Tax 2026 Support    NEW FEATURE

BrightTax now supports creating and submitting Corporation Tax returns for accounting periods ending up to 31 March 2027, using HMRC's updated CT 2026 form and taxonomy. The following changes apply for the 2026 period:

  • R&D PAYE cap on CT600L is now calculated on a time-apportioned basis for short or long accounting periods — previously a fixed £20,000
  • CT600E now supports up to 12 entries for Box 195
  • Enterprise Zone capital allowances on CT600 are no longer applicable for periods starting on or after 1 April 2024 — BrightTax removes this field automatically for affected returns
  • CT rates and marginal relief thresholds remain unchanged from 2025
  • BrightTax applies the correct CT 2026 form automatically based on the accounting period end date — no action required

 

Improvements & Fixes

 

The following issues have been resolved in this release:

 

AreaWhat Has Changed
ITR Subschedule Lock NotificationsWhen editing an ITR subschedule and receiving a lock notification on save, you can now click Save again to retry without refreshing the page. BrightTax retries automatically each time and saves successfully once the lock is released.
'NOT FOR SUBMISSION' Watermark — Trial ModePersonal Tax Return and Accounts Production / Corporation Tax prints now correctly display a 'NOT FOR SUBMISSION' watermark when your organisation is on a BrightTax Trial subscription. This is expected behaviour and confirms the return is for review only.
FreeAgent Journal Export Error MessagingWhen exporting a journal to FreeAgent, entries that cannot be exported due to their nominal code configuration are now handled correctly. BrightTax displays a clear message identifying which entries are affected so you can take the appropriate action.
Column Widths in AP and CT Grid TemplatesColumn widths set in Accounts Production and Corporation Tax grid templates now save and load correctly between sessions.
Single Asset Private Use Capital Allowances — SA103Validation in the Single Asset Private Use pool within SA103 Capital Allowances now works correctly for all tax years.
CT Return Error Message — No Year End Accounts LinkedThe error message shown when a Corporation Tax return has no linked Year End Accounts has been corrected to accurately describe the issue and the action required.

 

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