| Illinois State and Local Tax Accounting > Tax > Illinois State and Local Tax |  |
Information on the state of Illinois, including details on government and tourism.
Provided by the Illinois Department of Revenue.
Provides tax information, electronic services, business registration services, press releases and other tax-related information.
Contains Illinois Supreme Court opinions filed since May 23, 1996, and Appellate Court opinions filed since September 1, 1996.
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