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Most Consulted Articles in the Knowledge Base (as of April 25, 2024)
  1. CRA EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
  2. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
  3. How do I change the activation key used by Taxprep?
  4. I cannot find any of the Québec forms and schedules in Taxprep.
  5. How do I make sure that the refund of premiums (T4RSP slip, box 18) received following the death of the spouse is not taxed in the surviving taxpayer’s income tax return?
  6. The Québec TP1 return is rejected by Revenu Québec with error code T3BAAS11.
  7. Capital Losses of Other Years - How to use them?
  8. How to clear cache in Taxprep, Cantax and AliForm?
  9. Cantax T1 - Calculation of the foreign investment on a T5008, T5008 in US
  10. How do I update my support case on the ''support.cch.com/oss/canada'' Support Platform?
  11. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?
  12. CRA EFILE ERROR 16, how to fix it
  13. The T1 EFILE status is Not eligible.
  14. How to add a licence or security role in CCH iFirm
  15. T1ADJ - ReFile what are amended return exclusions?
Date: 2020-July-30
Cantax T1
Troubleshooting Memo Update

2020-July-30 Versions
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

2019
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.107
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-April-8
Line Climate Action Incentive from 2018 not carried forward on the 2020 instalment worksheet (INST)

19.1.3xx.100
19.2.3xx.107
19.3.3xx.111
2020-March-11
Schedule 6 – The base amount on line 24 of Schedule 6 is incorrect for Alberta residents 19.1.3xx.100
19.2.3xx.107
T2125 – The amount rolled forward on the line Work-in-progress (WIP) at the start of the year is incorrect

2020-February-28
Note that the problem, which was present from February 10 to February 28, 20020, has been corrected by the CRA:
Auto-fill my return: In certain situations, an HBP or LLP refund repayment is required by error
19.2.3xx.107
The eNOA displays the incorrect digit at position 6 of the masked SIN

2020-February-21
Schedule 8 and Form RC381 – Post-bankruptcy return – Election to pay CPP Contributions on self-employment income in the pre-bankruptcy return

19.1.3xx.100
19.2.3xx.107
2020-February-12
Auto-fill my return (AFR) – The repayable balance at the end of the year for the Home buyer’s plan (HPB) or Life-long learning plan (LLP) is incorrect

19.2.3xx.107
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

19.1.3xx.100

To view the Cantax T1Plus Troubleshooting Memo, consult the Knowledge Base.