Skip to main content

Scam Alert: Fake Texts and Websites Impersonating IDOR

Be alert for fraudulent messages or websites attempting to steal your banking information, login credentials, or credit card details. The Illinois Department of Revenue (IDOR) will never request personal or financial information via text message. To confirm official communications or contact details, always visit https://tax.illinois.gov.

Employment Sign Up for Updates

Electricity Distribution Tax & Invested Capital Tax Forms

Eligible forms may be filed electronically using MyTax Illinois, a FREE online account management program. 

 

Name Instructions Description
ICT-1 PDF
 Electricity Distribution and Invested Capital Tax Estimated Payment (R-11/12)
ICT-4 PDF Electricity Distribution and Invested Capital Tax Return (R-11/12)
ICT-4-X PDF Amended Electricity Distribution and Invested Capital Tax Return (R-11/12)