Scheduled Maintenance: Support Platform unavailable on May 19, 2024, from 3:00 a.m. to 6:00 a.m. ET
A schedule maintenance has been scheduled on Sunday, May 19, 2024, from 3:00 a.m. to 6:00 a.m. ET. During this window, our support platform site at support.cch.com/oss/canada and its services will be unavailable.

Web tickets and live chats are given priority over calls
For a faster service, 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.

Most consulted articles in the Knowledge Base (as of May 13, 2024)

1. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
2. Where can I find the Release Notes for the CCH iFirm Taxprep Programs?
3. Diagnostic E19 is displayed in a T2 return saying to verify for any tax changes after a certain date.
4. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?
5. How to reset the admin password in CCH iFirm
6. How do I amend the T2 tax return with iFirm Taxprep T2?
7. How to add a licence or security role in CCH iFirm
8. CCH iFirm T2 - How to process to Import and Link Corporations?
9. How do I download my tax documents using the Tax Return Retention feature for years no longer supported by CCH iFirm Taxprep?