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Information about 2020 estimated payment changes due to COVID-19 can be found in Informational Bulletin
FY 2020-26
.
Note:
Credit carryforward amounts that are comprised of payments received after April 15, 2020, will be applied to the quarter in which they would be considered timely paid based upon the date the payment was received.
Corporate Income Tax - IL-1120
Current Year
Prior Years
Exempt Organization Income and Replacement Tax - IL-990-T
Current Year
Prior Years
Fiduciary Income and Replacement Tax - IL-1041
Current Year
Prior Years
Partnership Replacement Tax - IL-1065
Current Year
Prior Years
Small Business Corporation Replacement Tax - IL-1120-ST
Current Year
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Withholding Tax
(Payroll) - IL-941
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