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Taxpayer Answer Center

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About IDOR

About IDOR

Department Phone Numbers

Alcohol, Tobacco, & Fuel Division (for tax return inquiries only)

Division Main Line – 1 217 785-2645
Alcohol, Tobacco, & Medical Cannabis – 1 217 782-6045
Motor Fuel Use Tax/IFTA – 1 217 785-1397
Motor Fuel Tax – 1 217 782-2291
Motor Fuel Refunds – 1 217 782-7797

For Cigarette/Tobacco License inquiries, please contact the Central Registration Division

For Liquor License Inquiries, please call the Liquor Control Commission – 1 217 782-2136

Board of Appeals

1 312 814-3004

Business Hot Line

1 217 524-4772

Central Registration Division

1 217 785-3707

Forms Order Line

1 800 356-6302

Freedom of Information Office

1 217 782-0985

Legal Services Office

1 217 782-7054

Legislative Office

1 217 785-5918

Problems Resolution Division

1 217 785-7313

Sales Tax (specific account inquiries only)

1 217 782-7897

Tax Fraud Hot Line

1 800 243-2811

Taxpayer Assistance Lines

1 800 732-8866
1 217 782-3336

TDD (Telecommunications Device for the Deaf)

1 800 544-5304
1 888 261-2718 (collection specific inquiries)