Knowledge Base - TaxCalc

	How do I use the Annual pension allowance details wizard for defined benefit schemes How do I use the Annual Pension Allowance details wizard for defined benefit schemes? Whilst our wizard refers to terminology for defined...
	24 Feb, 2026 Views: 2401

	Moving TaxCalc to a new computer (Individual, Partnership and Limited Company users) On the Old PC Before starting you should know the location of the data files. Start the TaxCalc program and select a file within an appropriate...
	24 Feb, 2026 Views: 51520

	How do I complete a return for a foster carer? You need to take certain things into account when completing the return, for example, the qualifying amounts that you can deduct from total care...
	24 Feb, 2026 Views: 46049

	How do I recover CIS tax deducted from a company Unfortunately there is no facility to recover CIS tax through the CT600. CIS tax is an employment tax deducted from a limited company's gross...
	17 Feb, 2026 Views: 6979

	Scaling TaxCalc on High resolution (HiDPI) Displays In some cases high resolution (also known as HiDPI) displays may not display as intended. This problem is exacerbated on physically smaller Hi...
	13 Feb, 2026 Views: 2136

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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...
	13 Feb, 2026 Views: 207184

	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: 139561

	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: 112055

	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: 107023

	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: 92276

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