Chat with our virtual assistant
Maintenance of the support site on July 20, from 10:00 p.m. to midnight (ET).
An update will be performed on our support site on Sunday, July 20, 2025, from 10:00 p.m. to midnight, ET. During this period, the support site and the Download Centre will be unavailable.

Products Support

Knowledge Base Video Library My support cases Latest News System Requirements
Date: 2021-Apr.-30
Corporate Taxprep
Troubleshooting Memos

Articles relating to the Troubleshooting Memos have been added to the Knowledge Base.

2021-April-30 Versions
Schedule 8 – 2021 Federal Budget – Introduction of an immediate expensing measure allowing for a deduction of up to $1.5 million for Canadian-controlled private corporations (CCPC)

2020 v.2.x
2021-April-15
Schedule 387 – For a tax year ending after December 31, 2020, the credit earned in the current tax year (line 120) and the credit claimed in the current year (line 2C) are incorrect

2021-April-5
CO-1029.8.36.II – The tax credit is not calculated according to the increase in the tax rates announced in the Québec Budget tabled on March 25, 2021 2020 v.2.1
CO-771 – Increase in the small business deduction (SBD) rate for the taxation year ending after March 25, 2021 2020 v.2.x
CO-1029.8.33.6 – Increase in the rate of the tax credit on line 91 for a qualified expenditure incurred after March 25, 2021, with respect to certain qualified training periods started after March 25, 2021

2021-February-24
The amount of eligible SR&ED expenditures in Schedules 508 and 566 is too high when contributions to agricultural organizations for SR&ED are incurred during the taxation year

2021-January-7
Schedule 322 – The rate used to calculate tax at the higher rate is incorrect for taxation years ending after December 31, 2020.

2020 v.2.0
2020-December-11
Error message when opening the diagnostics pane or when opening a client file because a customized diagnostic is missing or not found

2020-December-10
The N1 diagnostic prevents the electronic filing and printing of the Bar codes and RSI for the T2 and AT1 returns even when no Mandatory modification diagnostics appear

2020-December-9
Schedule 411 – Reduction in the Saskatchewan lower tax rate for taxation years ending after September 30, 2020

2020 v.1.x
2020 v.2.0
2020-December-4
Network Versions – Cannot start Corporate Taxprep 2020 v.1.x following the installation of version 2.0 because the data from the network configuration is invalid or corrupted

2020-September-30
Capital Cost Allowance (CCA) Workchart – Incorrect calculation of the amount on line E used to calculate the additional CCA of 60% for Québec for qualified property acquired after November 20, 2018

2019 v.2.x
2020 v.1.x
2020-September-9
COVID-19 – Balance-due day applicable to the tax balance of Parts other than Part I of the Act, including instalments payable to the federal government, extended to September 30, 2020

2020 v.1.x
2020-August-13
COVID-19 – Balance-due dates deferred to September 30, 2020 for some tax balances payable, including tax instalments, owed to the federal, Alberta and Québec governments

2020-July-30
T2 Return – In the first tax year of a corporation starting after 2018, the calculation of the ERDTOH on line 520 is incorrect for a CCPC that elected under subsection 89(11) ITA not to be a CCPC.

2019 v.1.1
2019 v.2.x
2020 v.1.x
2020-June-23
Client Letter Worksheet – The balance of income tax owing in the COVID-19 subsection is incorrect in the CO-17 – Internet filing section when an amount is entered or calculated on line 440 of the CO-17 return.

2020 v.1.0

To view the Corporate Taxprep Troubleshooting Memo, consult the Knowledge Base.