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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 19, 2024)
  1. How to add a licence or security role in CCH iFirm
  2. How do I update my support case on the ''support.cch.com/oss/canada'' Support Platform?
  3. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
  4. The federal T1 return is rejected by the CRA with error code 43.
  5. Taxprep setting- Where to find the password for Taxprep Services
  6. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?
  7. CRA EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
  8. How do I complete the return of a taxpayer who left Canada during the year?
  9. How do I download Taxprep?
  10. How do I prepare a federal T1 return for a non-resident?
  11. How do I amend slips, RL slips, receipts or returns in Taxprep Forms?
  12. What income amount should I enter in the return of a taxpayer who is emigrant or immigrant in the year?
  13. Diagnostic QE118 or QE129 displays and prevents the Québec electronic transmission.
  14. Why would a Cantax file be read only?
  15. How to clear cache in Taxprep, Cantax and AliForm?
Date: 2021-June-9
Personal Taxprep
Troubleshooting Memos

2021-June-9 Versions
Line 23500 – Bankruptcy – Canada Recovery Benefit repayment (CRB)

2020
2021-May-6
TP1 – Accelerated refund not claimed in a taxpayer’s income tax return filed after April 30, 2021

2021-April-28
T657 – Incorrect calculation of the capital gains deduction in certain situations (this does not affect the Québec return deduction calculated in Form TP 726.7) 2020 v.1.0
2020 v.2.0
2020 v.3.0
2020 v.4.0
Incorrect calculation of the amount on line 19 when the taxable income exceeds $214,368 and 2016 donations are deducted in 2020

2021-April-23
EFILE Transmission Results indicate that the returns were not transmitted while they were 2020
The monitor is incorrectly displayed when opened
EFILE Information Form – The Electronic services statuses section is not updated after transmission when the lock data option has been enabled

2021-April-21
Error message when publishing a PDF file for digital signature

2021-April-16
Revenu Québec extends the deadline for filing TP1 returns and for paying balances due

2021-April-14
Error message when coupling or uncoupling a return
Unsaved modifications to a CCH Scan PDF file

2021-April-9
Roll forward of Cantax 2019 and TaxCycle 2019 files – Incorrect calculations in the spouse’s return

2020 v.4.0
2021-March-31
Schedule H – Tax credit for caregivers for the spouse when an involuntary separation occurred in the year 2020 v.1.0
2020 v.2.0
2020 v.3.0
2021-February-24
Forms TP-80, Q2121 and Q2042 – Incorrect calculations of CCA classes 10, 16, 54, 55 and 56 when the CCA claimed in Québec differs from the one claimed at the federal level 2020 v.2.0
Form T2038 – Roll forward problem in the “Analysis of ITC claimed/carried forward” table

2020 v.1.0
2020-December-23
Schedule 14 – Incorrect calculation of the Climate Action Incentive payment amounts for residents of Ontario, Manitoba, Alberta and Saskatchewan

2020-December-17
When opening a client file and the Taxprep Default starting view is set to Client Manager, an error message is displayed


To view the Personal Taxprep Troubleshooting Memos, consult the Knowledge Base.