IL IU-3/40 Information
Quarterly contribution and wage reports, Form Ul-3/40, must be filed by each employer subject to the Illinois Unemployment Insurance Act. The original report must be filed, and the contribution payment made, no later than the last day of the month following the end of the quarter. Non-profit organizations and local governmental entities which elected to make payments in lieu of contribution must file the contribution and wage report (Ul-3/40) quarterly even though contributions are not required.
Link to official form info: Illinois IU-3/40
Link to official form info for IU-3/40
Tax Reminder works year round to keep official tax form info up-to-date for Illinois and the rest of the USA. The IRS and states change their forms often, so we do the hard work for you of figuring out where the official form info is located.
To access the official link to form IL IU-3/40 and get reminded when it's due, sign up for a free Tax Reminder account:
- Upcoming Due Dates in the Next Year:*
- Wednesday Apr 30, 2025
- Thursday Jul 31, 2025
- Friday Oct 31, 2025
- Monday Feb 02, 2026
-
Create a free account to see exactly when to file this form, receive email or SMS notification reminders, and to keep a record of filing it in your history.
* Due dates are based on the filing requirements for this form and may vary depending on your tax year.
10 Illinois Tax Filings & Forms:
IL-1040 - Individual Income Tax Return IL 1040/Sch.NR - Nonresident and Part-Year Resident Computation of Illinois Tax IL-1120 - Corporation Income and Replacement Tax Return IL-1120-ST - Small Business Corporation Replacement Tax Return IL-1065 - Partnership Replacement Tax Return IL-941 - Withholding Income Tax Return IL-501 - Department of Revenue Payment Coupon IU-3/40 - Employer's Contribution and Wage Report IL-941 - Withholding Income Tax Return ST-1 - Sales and Use Tax and E911 Surcharge ReturnAre we missing a Illinois tax form?
If we're missing the form you need, help us help you! Suggest a form we should include!