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Illinois Q1 Estimated Tax Payment Due April 15

April 08, 2020

If you make estimated tax payments to the state of Illinois, you are required to make the first payment by April 15, 2020.  Another important fact: the 2nd quarter federal payment is due before the 1st quarter.

Here are the due dates as they stand now.

 

Estimated Tax Payment Due Dates

Illinois

  • 1st Quarter – April 15th
  • 2nd Quarter June 15th
  • 3rd Quarter September 15th
  • 4th Quarter January 15th

 

Federal

  • 1st Quarter – July 15th
  • 2nd Quarter June 15th
  • 3rd Quarter September 15th
  • 4th Quarter January 15th

 

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