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Hot topics - Week of February 9, 2025
End of Phone Support: Benefit from our Advanced Virtual Agent 24/7!
As of January 1, 2025, the customer support teams will offer their high-quality service exclusively through digital channels, and will no longer offer incoming phone support. See the communication sent on this matter for further details.
Register for our Support platform and log in to our virtual agent to find answers, submit a support ticket or chat with a live agent.
Support Platform Help Centre
Having trouble registering or logging in to the platform? The Support Platform Help Centre contains a live chat that will allow you to chat with a real agent to resolve these technical issues. It also centralizes all the articles and videos you need to get the best out of the web ticketing system.
Important note: The live chat staff will ONLY be able to assist you with login issues – any other request will need to be submitted via a support case, once the login issue has been resolved. 
This week most consulted articles from our Knowledge Base
  1. CRA Efile error - account number given in the attached T619 electronic transmittal records does not match the account number you used to sign in
  2. Form CRA Efile error - Invalid formatting detected in one or more field
  3. How do I register for the ''support.cch.com/oss/canada'' Support Platform?
  4. What identification numbers do I need to be able to file slips or a T5013 return electronically, and how do I set the options in the program?
  5. CRA ERROR CODE 503.0 - The web address for Federal EFILE does not redirect to the appropriate CRA page
  6. CRA ERROR T5 slip "Filer account number is missing or invalid for this type of return"
  7. CRA FORMS: Can I transmit slips and T5013 returns using the federal transmitter number MM for 2023 and prior years?
  8. Cannot log in to the ''support.cch.com/oss/canada'' Support Platform
  9. How do I reset my password on the ''support.cch.com/oss/canada'' Support Platform?
  10. When will the next version of Taxprep, Cantax, or iFirm Taxprep be released?
Date: 2023-Dec.-18
Personal Taxprep
System Requirements

To correctly execute the latest version of Personal Taxprep, your computer system must have the following:

Processor

Dual Core processor (Quad Core processor is recommended)

Supported operating systems
  • Windows 10 (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
  • Remote Desktop Services in Windows Server 2016, 2019 and 2022
  • Citrix XenApp 7.2308
Note: Please note that custom scaling is not supported.
* For more information on the different Windows Editions, and their respective minimum requirements,
consult the Microsoft Web site:
Important: We strongly recommend 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.
RAM

A minimum of 4 GB of RAM is required.

Note: RAM requirements are highly dependent on the operating system used. Consult the documentation provided with your operating system for minimum and recommended RAM requirements.

Microsoft .Net Framework

Microsoft .Net 6.0.2 or higher is required.

Network File Systems
  • NTFS
  • FAT32
  • exFAT
Internet Connection
Browser configuration required to use the TaxprepConnect download service

If you can access the CRA’s Represent a client service with your Web browser, you should be able to use TaxprepConnect with your configuration.

If you are using the Microsoft Edge Web browser, make sure that you are using version 80 or more recent to open a new window when authenticating to the CRA’s Represent a client service in Taxprep. Otherwise, the window will open in a new tab.