What's new for T1 Internet version 26.11?

The latest DT Max program update is now available for downloading. It features the fully functional T1/TP-1 program for the tax years 2009 to 2022 inclusively and fully supports T1/TP-1 EFILE. Installing this version will update your version of DT Max to 26.11.

Please note that all program versions are made available on the Internet.

In this version...

DT Max T1

1. Known issue fixed in version 26.11
2. Revised forms
3. New diagnostics
   1. Notes and diagnostics

DT Max T1

1. Known issue fixed in version 26.11

   EFILE error 181

2. Revised forms

   Federal

   • T2039 - Air Quality Improvement Tax Credit

3. New diagnostics

   1. Notes and diagnostics

      Federal

      1. 45757 Air quality improvement tax credit (AQITC)

         The AQITC is considered to be government assistance received immediately before the end of the tax year to which it relates. However, when the assistance is received for the acquisition of a depreciable property, the capital cost of the property must be reduced by the amount of the assistance.

         Name and address of the qualifying location

         Tax credit

         $XXXX

         Adjust the UCC opening balance with the keyword Adjust-UCC for 2023 in the relevant CCA class(es) of 2022.