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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 26, 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 do I download Taxprep?
  7. How to report foreign employment income in Cantax T1?
  8. CRA EFILE ERROR 16, how to fix it
  9. NEW EFILE 2023: Non-residents filing under section 116 and Emigrants can now be filed electronically with CRA.
  10. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
  11. How to report foreign investment income in Cantax T1? T1-IN
  12. The Québec TP1 return is rejected by Revenu Québec with error code TSTRUC.
  13. The T1 tax return is rejected with the error code 93 in Cantax T1.
  14. Can't see Cantax T1 dependant Drop-down box
  15. When do I file the designation of a principal residence (Form T2091)?

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Cantax AliForm CCH Accountants' Suite
Date: 2020-Aug.-6
Personal Taxprep
Troubleshooting Memos

2020-August-6 Versions
NT428 – Northwest Territories Tax – The planning rate corresponding to the tax payable of the 3rd tax bracket is incorrect

2019
2020-July-30
COVID-19 – The deadline for filing returns, payment of the tax balance and instalments has been postponed – Special GSTC payment and increase in the CCB

2020-July-21
Invoice – Manitoba Resident – Incorrect provincial sales tax (PST) rate

2019 v.5.0
2020-June-23
EFILE SUM – When a taxpayer receives a T4 slip and an income amount is entered in box 81, the amount in box 50371 of the EFILE SUM form is incorrect for purposes of calculating pensionable earnings under the CPP.

2019 v.2.0
and subsequent
2020-June-3
COVID-19 – The filing deadline for income tax returns, balance-due day and the June 15, 2020 instalment payment dates have been postponed – Special GSTC payment and increase in the CCB

2019
2020-May-27
Form TP-80.1 – Estimated income calculated when the business ceases carrying on its business in the fiscal period

2020-May-8
TP1 – Accelerated refund not claimed in a taxpayer’s income tax return filed after April 30, 2020

2020-May-5
Form TP-776.42 – The program does not claim the maximum amount of alternative minimum tax carry-over that can be used to reduce Québec tax payable

2020-April-16
Forms AUTO – Capital cost allowance section – CCA balance transfer of a class 10 vehicle

2020-April-14
Form T777, Capital Cost Allowance – The amount of recapture of capital cost allowance updated to line 10400 of the T1 return is incorrect.

2019 v.4.0
and prior versions
2020-April-10
Tax Credit for the Treatment of Infertility (Québec) – The rate corresponding to your family situation and family income on line 15 of Form TP-1029.8.66.2 might be incorrect.

2019
2020-April-3
The amount of federal tax payable might be incorrect in the Instalments worksheet 2019 v.1.0
2019 v.2.0
2019 v.3.0
2020-March-27
Area A of Forms T2125, T2121, T2042, T1163, T1273, T776 and Resource – CCA other than classes 10.1 and 13 – Problem concerning the calculation of the adjustment for current-year additions subject to the half-year rule 2019 v.3.0
Forms T776, TP-80, TP-128, Q2121 and Q2042 – CCA classes 54 and 55 – The capital cost allowance (CCA) amount is incorrect when it relates to personal use of motor vehicles

2019 v.1.0
2019 v.2.0
2019 v.3.0
2020-March-19
A message displays prompting users to update the EFILE number and password even when no changes were made.

2019 v.3.0
2020-March-11
Schedule 6 – The base amount on line 24 of Schedule 6 is incorrect for Alberta residents 2019 v.1.0
2019 v.2.0
2019 v.3.0
T2125 – The amount rolled forward on the line Work-in-progress (WIP) at the start of the year is incorrect

2019 v.1.0
2019 v.2.0
2020-February-28
Note that the problem, which was present from February 10 to February 28, 2020, has been corrected by the CRA:
Auto-fill my return: In certain situations, an HBP or LLP refund repayment is required by error 		2019 v.2.0
The location of the transmission database is not properly specified or is unavailable

2019 v.1.0
2019 v.2.0
2019-December-20
Schedule 14 – Removal of the climate action incentive for residents of New Brunswick and amount changes for Ontario, Manitoba and Saskatchewan residents

2019 v.1.0

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