Recent Articles
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: 238
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: 9067
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: 33369
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: 228626
Bulk Update Clients
Bulk Update Clients allows you to update certain information in bulk for your clients within Practice Manager. Bulk Updating Clients: Within...
rating 10 Sep, 2026 Views: 1577


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: 228626
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: 147301
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: 116439
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: 112235
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: 105332



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