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The IWCC will be closed on Friday, July 4th for Independence Day.

If you made any filings in the Compfile system on June 30th, 2025 between the hours of 4:00 PM and 6:00 PM please confirm your entries were successfully stored in the CompFile system.

Assessments and self-insurance fees can now be paid electronically. Click here for instructions. 

2023 April Commissioners Calendars & Schedule

News – Wednesday, April 5, 2023

The APRIL 2023 Commission Calendar & Schedule is now available to download/view.

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Contact Information

Chicago: 312-814-6500

Springfield: 217-785-7087

Collinsville: 618-346-3484

Peoria: 312-814-6500

Rockford: 312-814-6500 If you intend to visit our Peoria or Rockford office, please call first to make sure the office is open.

TDD/TTY Support Line: 866-383-4370

Support: wcc.compfile@illinois.gov

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