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Hot topics - Week of April 15, 2024
Support Centre open every Saturday until April 27
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 18, 2024)
  1. How do I register to the new ''support.cch.com/oss/canada'' Support Platform?
  2. CRA EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
  3. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
  4. How do I update my support case on the ''support.cch.com/oss/canada'' Support Platform?
  5. Are Retired Partners supported by the Wolters Kluwer Support teams?
  6. T1 - Eligible employment expenses for teleworking - Is a T2200 required?
  7. How do I amend the T2 tax return with iFirm Taxprep T2?
  8. How do I import data into a Taxprep tax return?
  9. What income amount should I enter in the return of a taxpayer who is emigrant or immigrant in the year?
  10. Cantax T1 - How to prepare a T1adj Refile
  11. The federal T1 return is rejected by the CRA with error code 43.
  12. How to clear cache in Taxprep, Cantax and AliForm?
  13. T1 - How to Download Tax Data with TaxprepConnect
  14. How to file a tax return for an emigrant using Cantax T1.
Date: 2023-Dec.-20
Cantax T1Plus
System Requirements

To correctly execute the latest version of Cantax T1, your computer system must have the following:

Processor

Dual Core processor (Quad Core processor is recommended)

Supported operating systems
  • Windows 10 (32-bit and 64-bit) except for Education and Home Editions*
  • Windows 11 (64-bit) except for Education and Home Editions*
  • Windows Server 2016
  • Windows Server 2019
  • Windows Server 2022
* For more information on the different Windows Editions, and their respective minimum requirements, consult the Microsoft Web site:
Note: RAM requirements are highly dependent on the operating system used. Please refer to the documentation provided with your operating system for minimum and recommended RAM requirements.
Important: We are strongly recommending that all customers enable the enhanced security measures available in Windows 10 or higher operating system, including SMB 3.0 encryption for data in transit. Since the configuration of SMB 3.0 is explicit, please consult this Microsoft article to proceed with its configuration.
Microsoft .Net Framework

Microsoft .Net Framework v.4.8.0 or higher is required.

Network File Systems
  • NTFS
  • FAT32
  • exFAT
PDF Printer

Cantax is compatible with the Amyuni PDF Document Converter 6.5.

Internet Connection
  • An Internet connection is required to use electronic services available with Cantax.
  • The TLS 1.2 protocol must be enabled in the Microsoft Edge browser settings.
Browser configuration required to use the Download CRA Tax Data service

If you can access the CRA’s Represent a Client service with your Web browser, your configuration should normally allow you to use the Download CRA Tax Data functionality.

The recommended configuration for Microsoft Edge is as follows:

  • the defined Internet security level is the default level;
  • the TLS 1.2 protocol is used;
  • the cookies are enabled; and
  • the JavaScript function is enabled.

If the above is not complied with, you might be unable to access the CRA log in services.
The CRA Represent a Client service uses persistent cookies. These persistent cookies will not log nominative data.