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Wolters Kluwer Canada wishes you Happy Holidays!

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?

Products Support

Knowledge Base Video Library My support cases Latest News System Requirements
Date: 2020-May-28
Cantax T2/T2Plus
Troubleshooting Memos

2020-May-28 Versions
COVID-19, The filing deadlines for returns that should be filed after March 18, 2020, with the federal governments deferred to June 1, 2020, or September 1, 2020

19.1.3xx.100
19.1.3xx.106
19.2.3xx.126
2020-April-9
T2 Bar Codes Return – Amount on line 712 of the T2 return does not appear on the line Part IV tax payable on page 2 of the T2 Bar Codes Return for a taxation year that starts after 2018

2020-April-3
Schedule 346, Nova Scotia Corporation Tax Calculation – Reduction in the Nova Scotia lower and higher tax rates for taxation years ending after March 31, 2020

19.2.3xx.126
2020-March-25
COVID-19 – Balance-due dates applicable to some tax balances payable and tax instalments owed to the federal and Alberta governments deferred to a date after August 31, 2020 18.2.3xx.126
18.2.3xx.131
19.1.3xx.100
19.1.3xx.106
19.2.3xx.126
2020-March-2
Schedule 7, Aggregate Investment Income and Income Eligible for the Small Business Deduction – Incorrect amount calculated on line 730 in Part 2, Adjusted aggregate investment income 19.1.3xx.100
19.1.3xx.106
19.2.3xx.126
Schedule 7, Aggregate Investment Income and Income Eligible for the Small Business Deduction – The amount carried forward to line 2G in Part 2 is incorrect

2020-February-21
Schedule 428 – Three year extension to the British Columbia Training Tax Credit

19.2.3xx.126
2019-November-4
Schedule 7, Aggregate Investment Income and Income Eligible for the Small Business Deduction – Incorrect amount on line 730 when a dividend deductible under paragraph 113(1)(c) ITA is entered in Schedule 3 19.1.3xx.100
19.1.3xx.106
Schedule 7, Aggregate Investment Income and Income Eligible for the Small Business Deduction – In the first tax year starting after 2018, the amounts carried forward to lines 2A and 2B may be incorrect

2019-August-7
Schedule 12 – Incorrect calculation of the deduction in respect of the accelerated Canadian development expenses and accelerated Canadian oil and gas property expenses when the taxation year is less than 51 weeks

2019-June-12
Corporate Tax Summary and Comparative Tax Summary – The dividend refund amount does not display for a taxation year starting before 2019 19.1.3xx.100

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