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TaxCalc Release Notes 2025
Below are the Release Notes for TaxCalc 2025 releases. Click to see the Release Notes for 2013-2016 > 2017 > 2018 > 2019 > 2020 >...
rating 14 Mar, 2025 Views: 177645
How do I enter R&D enhanced expenditure (for SMEs) on my CT600 - periods starting before 1 April 2024
R&D enhanced expenditure relief is available for periods starting before 1 April 2024. For periods starting after 1 April 2024 please refer to: ...
rating 11 Mar, 2025 Views: 27368
HMRC Filing Exclusions and Special Cases 2024/25
HMRC Filing Exclusions 2024/25 Exclusions have arisen due to the previous introduction of additional allowances and bands for certain types of...
rating 11 Mar, 2025 Views: 1215
HMRC Filing Exclusions and Special Cases 2019/20
HMRC Filing Exclusions 2019/20 Exclusions have arisen due to the previous introduction of additional allowances. Bands for certain types of income...
rating 11 Mar, 2025 Views: 34
HMRC Filing Exclusions and Special Cases 2023/24
HMRC Filing Exclusions 2023/24 Exclusions have arisen due to the previous introduction of additional allowances and bands for certain types of...
rating 11 Mar, 2025 Views: 786


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TaxCalc Release Notes 2025
Below are the Release Notes for TaxCalc 2025 releases. Click to see the Release Notes for 2013-2016 > 2017 > 2018 > 2019 > 2020 >...
rating 14 Mar, 2025 Views: 177645
What is a 1046 authentication error?
When you receive a 1046 error message in TaxCalc (as shown above), it means one of the following: HMRC hold different details to what has been...
rating 26 Oct, 2023 Views: 131362
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: 104948
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: 86650
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: 76994