Knowledge Base - TaxCalc

	I can't find a client or associated data in the application - Practice users only! If you are a non-practice user (you purchase a product listed for Individuals, Trusts or Businesses) please see our article for How do I find a...
	08 Dec, 2025 Views: 2422

	How can I access Engager from TaxCalc? If you are a customer on our Cloud platform, TaxCalc now offers the ability to access Engager from within Practice Manager, when the link between...
	04 Dec, 2025 Views: 69

	Companies House identity verification rules - how and when to confirm identity verification for directors and PSCs Companies House identity verification (IDV) rules came into force on 18 November. The new legislation requires all directors, people with...
	04 Dec, 2025 Views: 158

	How to Reset the Two-Factor Authentication Details You may need to reset the two-factor authentication if you have lost a device or think that your authentication code has been compromised. You can...
	03 Dec, 2025 Views: 8730

	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...
	03 Dec, 2025 Views: 46295

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	TaxCalc Release Notes 2025 Below are the Release Notes for TaxCalc 2025 releases. Click to see the Release Notes for 2013-2016 > 2017 > 2018 > 2019 > 2020 >...
	28 Nov, 2025 Views: 202104

	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: ...
	13 May, 2025 Views: 136513

	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...
	14 Feb, 2023 Views: 109542

	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...
	28 Jun, 2017 Views: 103625

	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...
	25 Oct, 2022 Views: 87975

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