What's new for T1 Internet version 8.11?

The latest DT Max T1 release, Internet version 8.11, is currently available for downloading. It must be applied to v8.10 and will update the program version you are using to DT Max v8.11.

If you have not yet installed DT Max v8.10, you must first install that version from your CD-Rom or from the full package download before proceeding with the installation of v8.11.

Known issues fixed in v8.11

Erroneous claim of QST credit by dependent child
Non capital loss carryforwards not applied against 2004 income
Erroneous amount of non capital loss on TP-1012.A
Quebec foreign tax credit respecting business income
Erroneous calculation of Quebec child support payment estimates
Amount for single-parent family not included in minimum child support amount
Calculation of child disability benefit not performed
Deferred stock options benefits
Client letter and non existent labour costs

New form

TP-1012.B-V - Carry-back of a deduction or tax credit


This form is generated using the keyword CARRY-BACK.

Updated forms

T1219 -ON - Ontario minimum tax carryover
T2036 - Provincial foreign tax credit
T2038 - Investment tax credit

Efile reminder

Before transmitting any returns, please ensure that you have properly registered your federal and, if applicable, your Quebec efile number and password. Also verify that this information is properly entered in your Efile setup within the DT Max program.