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Hot topics - Week of May 18, 2025
End of Phone Support: Benefit from our Advanced Virtual Agent 24/7!
Since January 1, 2025, the customer support teams offers its high-quality service exclusively through digital channels, and no longer offers incoming phone support. Click here for more details on this matter.
Register for our support platform and log in to our virtual agent to find answers, submit a support ticket or chat with a live agent.

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This week most consulted articles from our Knowledge Base
  1. How to clear browser cache in Chrome or Edge
  2. The federal T1 return is rejected by the CRA with error code 149-R.
  3. CRA FORMS: Can I transmit slips and T5013 returns using the federal transmitter number MM for 2023 and prior years?
  4. Forms - CRA Efile error - Account number given in the attached T619 electronic transmittal records does not match the account number you used to sign in
  5. How do I reset my password on the ''support.cch.com/oss/canada'' Support Platform?
  6. How do I register for the ''support.cch.com/oss/canada'' Support Platform?
  7. CCH iFirm Tax: How to send a return to Support
  8. T2 - How to get the schedule 130 for Excessive Interest and Financing Expenses Limitation applicable?
  9. The federal T1 return is rejected by the CRA with error code 43 in Taxprep or CCH iFirm Taxprep T1.
  10. CCH iFirm Taxprep T2 - 2025 v.1.0 - The GIFI import does not work, the .GFI extension is rejected
System Requirements

Taxprep
  Personal Taxprep
  Corporate Taxprep
  Taxprep for Trusts
  Taxprep Forms
Cantax
  Cantax T1
  Cantax T2
  Cantax FormMaster
CCH Accountants’ Suite
  CCH Engagement
  CCH KnowledgeConnect
  CCH ProSystem fx Practice Management
  CCH Scan
  CCH Site Builder
AliForm
  AliForm