Recent Articles
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...
rating 21 Aug, 2026 Views: 225849
MTD Individual Tax Return - how does the process work as compared to the SA100?
The MTD tax return, as opposed to the SA100, is required to be completed for individuals who have registered for MTD for income tax for the tax...
rating 21 Aug, 2026 Views: 2
MTD Quarterly Filer - Known Errors
From initial testing we have established the following issues when setting up/submitting quarterly updates: NOTE: We are experiencing a lot of...
rating 20 Aug, 2026 Views: 8563
MTD Individual Tax Return - guide for completing self-employment sections
Completing your Self-Employment pages A guide to the Income, Expenses, Capital allowances, Losses and National Insurance screens This article...
rating 20 Aug, 2026 Views: 2
MTD Individual Tax Returns - what will be available to enter for 2025/26
Phased releases of MTD Tax Returns We're rolling out our MTD Tax Return Production software in phases. This article explains what's included in this...
rating 20 Aug, 2026 Views: 38


Most Viewed
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...
rating 21 Aug, 2026 Views: 225849
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: ...
rating 13 May, 2025 Views: 146665
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: 115833
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: 111618
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: 104004



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