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 23, 2024)

1. CRA EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
2. Are Retired Partners supported by the Wolters Kluwer Support teams?
3. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?
4. The federal T1 return is rejected by the CRA with error code 70127.
5. T1ADJ - ReFile what are amended return exclusions?
6. CRA EFILE ERROR 16, how to fix it
7. The T1 EFILE status is Not eligible.
8. I get the R2000051 diagnostic regarding a change of address in a T2 return.
9. The pension split is not performed on the form T1032 of a T1 return.
10. Collect signatures from multiple signatories into one envelope from CCH iFirm Digital Signatures
11. How do I change the default location of the client files in Cantax?
12. Diagnosis QE651 prevents transmission of TP1
13. How to add a licence or security role in CCH iFirm
14. Refile error 586