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Error code 8023 – fatal: EF documents not found
You may receive this message if you check for the response too quickly after the submission has been processed. We recommend that you click on Check...
rating 12 Sep, 2024 Views: 11739
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 07 Aug, 2024 Views: 34875
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 07 Aug, 2024 Views: 168826
Self Assessment using WorkFlow
Using WorkFlow allows you to create Jobs and Tasks to complete your Tax Returns efficiently, making sure you meet any statutory deadlines. Please...
rating 31 Jul, 2024 Views: 730
Retired Operating Systems
From time to time, it becomes necessary for TaxCalc to cease supporting certain versions of computer operating systems. Usually, these are for...
rating 25 Jul, 2024 Views: 3125


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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 07 Aug, 2024 Views: 168826
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: 126778
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: 100234
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: 82965
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: 68749