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IDES offices will be closed Thursday, July 4 for the federal holiday, but you can still certify and apply for benefits and access other online resources!  Please note that benefit payments may take longer to process during this time.  Offices will reopen for regular business hours on Friday, July 5.

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Quarterly Filing Requirements

Employers must file wage reports (Form UI-3/40​) and pay contributions in the month after the close of each calendar quarter - that is, on or before April 30, July 31, October 31, and January 31. 

It is an employer’s responsibility to file the proper forms on time either electronically or via obtaining paper forms on this site. Governmental organizations and some non-profits are also required to file wage reports, although they may have an option to reimburse IDES for benefits paid rather than making quarterly contributions.

If filing via printed forms obtained from this website, mail the completed forms and payments to:

IDES P.O. Box 19300

Springfield, Illinois  62794-9300

Visit the Contact IDES page for more information or call the Employer Services Hotline at 800-247-4984. The Tax Hotline TTY number is 866-212-8831.