To enter rent paid in Ontario, for Ontario residents:
Click "Provincial"
Click "Provincial Tax Credits"
On the "Provincial Profile for 2016" page scroll down and click "Continue"
On the "Apply for 2017 Ontario Trillium Benefit" page ensure "Yes" is selected for "Are you applying for the Ontario Energy and property tax credit?"
Click "Continue"
Complete the information on the "Payments Related to your Principal Residence" page and click "Continue"