One cannot deduct federal taxes paid for a prior year liability.
However, if you are referring to state tax paid in 2016, follow the below steps.
- Click on Federal Taxes (Personal using Home and Business)
- Click on Deductions and Credits
- Click on I'll choose what I work on (if shown)
- Scroll down to Estimates and Other Taxes Paid
- On Estimates, click on the start or update button
OR:
Type in estimated taxes
paid in the search box, top right of your screen, theclick the
magnifying glass
Click the jump
to estimated taxes paid ink in the search results
Scroll down to last category :Payments for 2014 or a prior year state or local income taxes paid in 2016