Recent Articles
How to claim a refund on the SA100
When you file a self assessment return, you have the option of claiming the refund on your tax return or through an HMRC online account. Online...
rating 20 Oct, 2026 Views: 116923
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 24 Sep, 2026 Views: 591
MTD Quarterly Filer - Known Errors
From initial testing we have established the following issues when setting up/submitting quarterly updates: NOTE: Please note there are HMRC...
rating 24 Sep, 2026 Views: 9634
System Requirements for TaxCalc
TaxCalc is either ‘fully supported’, ‘partially supported’ or ‘unsupported’ running on the configurations of operating system as listed...
rating 18 Sep, 2026 Views: 34075
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 17 Sep, 2026 Views: 230172


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 17 Sep, 2026 Views: 230172
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: 147847
How to claim a refund on the SA100
When you file a self assessment return, you have the option of claiming the refund on your tax return or through an HMRC online account. Online...
rating 20 Oct, 2026 Views: 116923
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: 113060
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: 106463



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