How can I insert lines 436 to 438 regarding to Quebec income tax (TP-1) form in the turbotax live self-employed? I called customer support and they could not help me ;(

To enter that info, select Provicnial>Other Québec Credits> Your Other Québec Credits Profile. Then check off Information return for the Québec Enterprise Register from the bottom of the list. Click continue until you get to the [Your Name]: Information Return for the Québec Enterprise Register page, where you can enter your Québec enterprise register info.