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Customer Service and Support Centre - Modified Business Hours for the 2024 Holiday Season (ET)
  • Tuesday, December 24, 2024: Closing at 2:00 p.m.
  • Wednesday, December 25, 2024: Closed
  • Thursday, December 26, 2024: Closed
  • Tuesday, December 31, 2024: Closing at 4:00 p.m.
  • Wednesday, January 1, 2025: Closed
Note: Our telephone support is only available on Mondays and Tuesdays exclusively for Taxprep and CCH iFirm customers, and will cease at the end of this year. Cantax, CCH AnswerConnect, AliForm, CCH Engagement, CCH Practice Management, CCH Scan and CCH Site Builder products are already only supported by web tickets. To learn more about how to contact us, please visit our corporate web site.
Support platform: Everything you need to know
Please refer to the videos below to find out how to register for the support platform and make the most of it:
This week most consulted articles from our Knowledge Base
  1. How do I install a network version of Taxprep?
  2. When will the next version of Taxprep, Cantax, or iFirm Taxprep be released?
  3. How do I download Taxprep?
  4. How do I register for the ''support.cch.com/oss/canada'' Support Platform?
  5. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?
  6. How to configure the EFILE identification in CCH iFirm Taxprep?
  7. How do I reset my password for CCH iFirm?
  8. Install local Taxprep and get the activation key
  9. How to add a licence or security role in CCH iFirm
  10. What identification numbers do I need to be able to file T-slips or a T5013 return electronically through the internet file transfer (XML) (Transmit a return) with the CRA for 2024/2025?
  11. How to set up Taxprep Connect and Cantax AFR download to use the system default browser
  12. Where can I find the release notes for CCH iFirm?
Date: 2021-Apr.-30
Cantax T2/T2Plus
Troubleshooting Memos

2021-April-30 Versions
Schedule 8, Capital cost allowance (CCA) – The 2021 Federal Budget introduces an immediate expensing measure allowing for a deduction of up to $1.5 million for Canadian-controlled private corporations (CCPC)

20.2.3xx.135
20.2.3xx.126
2021-April-15
Schedule 387, Manitoba Small Business Venture Capital Tax Credit – 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-February-25
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

2020-December-10
Schedule 411, Saskatchewan Corporation Tax Calculation – Decrease in the lower tax rate for tax years ending after September 30, 2020

20.2.3xx.126
20.1.3xx.104
20.1.3xx.100
2020-September-10
COVID-19 – Balance-due date applicable to the tax balance of Parts other than Part I of the Act, including instalments owed to the federal government, extended to September 30, 2020

20.1.3xx.104
20.1.3xx.100
2020-August-13
COVID-19 – Balance-due dates applicable to some tax balances payable and tax instalments owed to the federal and Alberta governments deferred to September 30, 2020

2020-July-30
T2 Jacket – 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.

20.1.3xx.104
20.1.3xx.100
2019

To view the Cantax T2 and T2Plus Troubleshooting Memos, consult the Knowledge Base.