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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.
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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)
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  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)?
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  5. Taxprep setting- Where to find the password for Taxprep Services
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  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?
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  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?

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Date: 2015-May-12
Corporate Taxprep
Corporation Internet Filing (CIF) with prior versions of Corporate Taxprep

Dear Corporate Taxprep Customer:

Effective October 2015, in accordance with the latest CRA requirements, you will have to make sure that the program is installed on a recent operating system to electronically transmit federal tax returns (T2) with Corporate Taxprep 2014 v.2.0 or prior versions. The following operating systems will no longer allow you to transmit electronically:

  • Windows XP;
  • Windows Vista;
  • Windows Server 2003;
  • Windows Server 2008.

We are sending this notice now so you have time to replace or upgrade any of your operating systems in order to be able to electronically file federal tax returns with prior versions of Corporate Taxprep.

With Corporate Taxprep 2015 v.1.0 and future versions, you will be able to file federal tax returns using CIF on the above mentioned operating systems, as long as they are supported by Taxprep.

As mentioned in prior communications and in compliance with Microsoft’s support policy, Taxprep will no longer be supported on Windows XP, Windows Server 2003 and Terminal Server 2003 as of July 2015.

While this extension will provide you with more time to update your operating systems, it is in your best interest to update as soon as possible. You will then avoid any future security or compatibility issues and continue to receive the high level of support you expect from Wolters Kluwer.

If you have any questions, support is only a phone call away at 1-800-567-6173.
You can also contact us by e-mail at csupport@wolterskluwer.com.

Thank you for trusting our software programs.

Wolters Kluwer