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Recent Articles
Full uninstall and reinstall of TaxCalc on Mac OS Big Sur - Personal
If the previous instructions have not worked follow these steps exactly to correct the display issue. This will guide you through the uninstallation...
rating 15 Oct, 2021 Views: 2150
How do I offset losses against profits (and also reduce Class 4 NIC)?
Profit chargeable to Class 4 NIC You can offset losses against a profit to reduce Class 4 payments. To do this enter the loss amount into the profit...
rating 13 Oct, 2021 Views: 3732
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 08 Oct, 2021 Views: 18036
System Requirements for TaxCalc
TaxCalc is either ‘fully supported’, ‘partially supported’ or ‘unsupported’ running on the configurations of operating system as listed...
rating 08 Oct, 2021 Views: 10592
Error Updating Database after updating or restoring from an old backup file.
Non-practice and standalone users may experience an Error updating database error message after ; Restoring an old backup file from V11.7.061 or...
rating 07 Oct, 2021 Views: 339


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TaxCalc Release Notes 2021
Below are the Release Notes for TaxCalc 2021 releases. Click to see the Release Notes for 2013-2016 > 2017 > 2018 > 2019 > 2020 TaxCalc...
rating 24 Sep, 2021 Views: 122145
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 29 Jun, 2021 Views: 107822
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 23 Mar, 2021 Views: 66994
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: 66698
How do I resubmit a return or file an amended return?
If, after making a successful submission, you need to make changes and file an amended return. Please see the video tutorial for a walk through of...
rating 23 Mar, 2021 Views: 43772