Recent Articles
Basis Period in the transitional year 2023/24 - how to use the basis period calculator
Basis Period Entries in TaxCalc (transitional year 2023/24) This article explains the entries to make for the 2023/24 transitional year. HMRC's...
rating 17 Jan, 2025 Views: 4676
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 17 Jan, 2025 Views: 37331
Moving TaxCalc to a new server (Practice - Network version)
The steps to move TaxCalc to a new server are outlined below. Make a backup (Existing Server) Uninstall the program (Existing Server) Install...
rating 16 Jan, 2025 Views: 11927
TaxCalc Release Notes 2024
Below are the Release Notes for TaxCalc 2024 releases. Click to see the Release Notes for 2013-2016 > 2017 > 2018 > 2019 > 2020 >...
rating 09 Jan, 2025 Views: 226
TaxCalc Release Notes 2023
Below are the Release Notes for TaxCalc 2023 releases. Click to see the Release Notes for 2013-2016 > 2017 > 2018 > 2019 > 2020 >...
rating 09 Jan, 2025 Views: 2965


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TaxCalc Release Notes 2025
Below are the Release Notes for TaxCalc 2024 releases. Click to see the Release Notes for 2013-2016 > 2017 > 2018 > 2019 > 2020 >...
rating 09 Jan, 2025 Views: 175871
What is a 1046 authentication error?
When you receive a 1046 error message in TaxCalc (as shown above), it means one of the following: HMRC hold different details to what has been...
rating 26 Oct, 2023 Views: 129400
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: 103409
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: 85467
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: 74335