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Guide to your client’s journey through the verification process
Your client will receive an email/SMS providing them with a link to complete the biometric identity check and a personal registration code....
rating 06 May, 2026 Views: 686
Known issues in the latest released version of TaxCalc
Below is a list of notable issues that have been reported in recent versions of TaxCalc since their release. Other issues may exist that have not...
rating 05 May, 2026 Views: 58824
Audio-Visual Expenditure Credit (AVEC) and Video Games Expenditure Credit (VGEC)
The new Audio-Visual Expenditure Credit (AVEC) and Video Games Expenditure Credit (VGEC) replaces the current creative tax reliefs for film, high-end...
rating 30 Apr, 2026 Views: 4703
TaxCalc Release Notes 2026
Below are the Release Notes for TaxCalc 2026 releases. Click to see the Release Notes for 2013-2019 > 2020-2024 > 2025 Please note we phase...
rating 29 Apr, 2026 Views: 217343
How do I enter a Research and Development Expenditure Credit (RDEC) on my CT600 - accounting periods starting before 1 April 2024
The research and development expenditure credit (RDEC) replaced the large company scheme in April 2016 to continue to encourage investment in...
rating 28 Apr, 2026 Views: 8541


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TaxCalc Release Notes 2026
Below are the Release Notes for TaxCalc 2026 releases. Click to see the Release Notes for 2013-2019 > 2020-2024 > 2025 Please note we phase...
rating 29 Apr, 2026 Views: 217343
What is a 1046 authentication error?
When you receive a 1046 error message in TaxCalc (as shown above) after attempting to file tax return, it will be due to one of the following: ...
rating 13 May, 2025 Views: 144404
Update to refunds made by HMRC
On 1st April 2015, HMRC updated their system to change the way they allocate repayments of overpaid tax. HMRC will only process the refund using...
rating 14 Feb, 2023 Views: 113734
Useful HMRC links and contact numbers
Personal Tax How to pay HMRC – Different ways to pay your Income Tax or Capital Gains Tax Online Services Helpdesk – Help signing up for...
rating 28 Jun, 2017 Views: 109097
How do I download TaxCalc?
To download and install TaxCalc on a new computer, or update it on a computer that already uses TaxCalc, we recommend viewing our video tutorial...
rating 25 Oct, 2022 Views: 97877