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 18, 2024)

1. How do I register to the new ''support.cch.com/oss/canada'' Support Platform?
2. CRA EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
3. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
4. How do I update my support case on the ''support.cch.com/oss/canada'' Support Platform?
5. Are Retired Partners supported by the Wolters Kluwer Support teams?
6. T1 - Eligible employment expenses for teleworking - Is a T2200 required?
7. How do I amend the T2 tax return with iFirm Taxprep T2?
8. How do I import data into a Taxprep tax return?
9. What income amount should I enter in the return of a taxpayer who is emigrant or immigrant in the year?
10. Cantax T1 - How to prepare a T1adj Refile
11. The federal T1 return is rejected by the CRA with error code 43.
12. How to clear cache in Taxprep, Cantax and AliForm?
13. T1 - How to Download Tax Data with TaxprepConnect
14. How to file a tax return for an emigrant using Cantax T1.