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Most Consulted Articles in the Knowledge Base (as of April 29, 2024)
  1. How do I register to the new ''support.cch.com/oss/canada'' Support Platform?
  2. How do I enter American employment income received by a taxpayer resident of Canada in the W-2 form?
  3. The federal T1 return is rejected by the CRA with error code 70127.
  4. EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
  5. How do I update a local version of Cantax T1 or Cantax T2?
  6. How to report foreign employment income in Cantax T1?
  7. CCH iFirm Taxprep - FAQ – Electronic signature
  8. How to proceed with Auto-Fill T1 return (AFR) in Cantax T1?
  9. CRA EFILE ERROR 16, how to fix it
  10. NEW EFILE 2023: Non-residents filing under section 116 and Emigrants can now be filed electronically with CRA.
  11. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
  12. How to report foreign investment income in Cantax T1? T1-IN
  13. The Québec TP1 return is rejected by Revenu Québec with error code TSTRUC.
  14. The T1 tax return is rejected with the error code 93 in Cantax T1.
  15. Can't see Cantax T1 dependant Drop-down box
  16. When do I file the designation of a principal residence (Form T2091)?