Does Illinois Require State W-2 Reporting?
Yes, Illinois does require state W-2 reporting.
How Must Illinois State W-2 Reporting be Filed?
Illinois accepts e-filing only.
What are the Forms and Due Dates for Illinois State W-2 Reporting?
Illinois only requires Form W-2 to be filed.
All Forms W-2 are due by January 31.
What is the Responsible State Filing Agency?
Willard Ice Building
101 W. Jefferson Street
Springfield, IL 62702