In Illinois, officials say filing early and electronically is the best way to receive a timely refund. You can check the ...

CHICAGO - The Illinois Department of Revenue (IDOR) is alerting taxpayers that changes announced by the United States Postal ...

Illinois officials warn taxpayers to mail returns early as USPS postmark updates may affect 2026 processing deadlines.

With the tax-filing deadline approaching, Illinois Attorney General Kwame Raoul reminds residents to take extra steps to ...

ILLINOIS (WCIA) — The Illinois Department of Revenue (IDOR) said changes announced by the United States Postal Service (USPS) ...