Support Centre open every Saturday until April 27
The Support Centre will be open every Saturday from 10:00 a.m. to 5:00 p.m., ET, until April 27 to handle requests submitted by web tickets and live chats. Connect to our Support Platform to create a web ticket through our virtual assistant who will either offer you to submit your case or to chat live with an agent.

Release dates calendar
Please consult our product calendar for release dates of all our software.
NOTE: The release of AliForm 2024 v.2.0 has been cancelled. For more information on this cancellation, please contact Customer Service by creating a support ticket or by calling at 1-800-268-4522.

Most Consulted Articles in the Knowledge Base (as of April 25, 2024)

1. EFILE ERROR - 149-S – The federal T1 return is rejected by the CRA with error code 149-SCRA
2. T1- How to adress the Efile error T815
3. How to clear cache in Taxprep, Cantax and AliForm?
4. How to add a licence or security role in CCH iFirm
5. I get diagnostic E1515.
6. EFILE ERROR - 90315 - The federal T1 return is rejected by the CRA with error code 90315.
7. When do I file the designation of a principal residence (Form T2091)?
8. Why are the expenses for care claimed instead of the disability amount?
9. Can a taxpayer claim the Canadian caregiver amount (line 307 of Schedule 1) for a parent with no physical or mental impairment?
10. The federal T1 return is rejected by the CRA with error code 43 in Cantax T1.
11. EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
12. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?