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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: 4658
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: 216858
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: 8501
MTD Quarterly Filer - Getting started
MTD Quarterly Filer provides the functionality to complete the in-year submissions (Quarterly Updates) and interacts with TaxCalc modules and other...
rating 28 Apr, 2026 Views: 1127
MTD Quarterly Filer - Collateral
We have collated all the information you'll need to start submitting quarterly updates to HMRC using MTD Quarterly Filing, as well as information on...
rating 28 Apr, 2026 Views: 2276


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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: 216858
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: 144312
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: 113643
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: 108841
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: 97607