To set up estimated payments for Illinois, from the main menu of the Illinois state return, select:
- Miscellaneous Forms
- Estimated Payment Vouchers, Form IL-1040-ES
- Select Yes and enter the amount of the estimated payment that will be made for each quarter. The estimated payment vouchers will print with the state tax return.
Additional Information:
Illinois State Tax Information
Where do I make an Automatic Extension of Time to File Payment for Illinois?