Recent Articles
How to request a refund once enrolled for Making Tax Digital for Income Tax
Requesting a refund from HMRC when registered for MTD for Income Tax (Please note that if you are not registered for MTD for Income Tax and...
rating 04 Nov, 2026 Views: 28
How to claim to reduce payments on account when enrolled for MTD for Income Tax
Claiming to reduce payments on account once registered for MTD for Income Tax Under MTD for Income Tax, a claim to reduce payments on account...
rating 04 Nov, 2026 Views: 0
MTD Quarterly Filer - Known Errors
From initial testing we have established the following intermittent issues when setting up/submitting quarterly updates: NOTE: Please note there...
rating 29 Oct, 2026 Views: 10203
Auto-Renewal - Frequently Asked Questions
What has changed? From April 2025, TaxCalc licences now work on an auto-renewal basis. This means that there is no change to your renewal process...
rating 28 Oct, 2026 Views: 3075
System Requirements for TaxCalc
TaxCalc is either ‘fully supported’, ‘partially supported’ or ‘unsupported’ running on the configurations of operating system as listed...
rating 28 Oct, 2026 Views: 34536


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: 230900
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: 148207
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: 117301
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: 113465
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: 107231



Need more help
choosing the right
products?

Please contact our team on 0345 5190 882