Recent Articles
How should boxes 326, 327 and 328 be completed on a CT600?
This article will explain how and when boxes 326, 327 and 328 should be populated on a CT600 return with regard to the number of associated...
rating 26 May, 2026 Views: 13112
TaxCalc bookkeeping spreadsheet transaction templates for MTD
To assist you with complying with digital links for MTD reporting, we have produced spreadsheet templates for recording transactions and summarising...
rating 26 May, 2026 Views: 22952
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 20 May, 2026 Views: 219251
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 15 May, 2026 Views: 59526
Foreign Income and Gains - what is the temporary repatriation facility (TRF) ?
The temporary repatriation facility (TRF) was introduced in the Finance Act 2025 to replace the remittance basis for UK non-domiciled residents and...
rating 14 May, 2026 Views: 79


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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 20 May, 2026 Views: 219251
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: 144806
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: 114142
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: 109650
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: 99000