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Illinois Tax Laws

Taxes are collected at the federal, state, and local levels in several ways -- including income tax, sales tax, and special taxes on things like alcohol and tobacco. Illinois uses tax revenue to pay for state highways and infrastructure projects; public schools; the court system; regulatory agencies; and other matters that impact the lives of people living in Illinois. Taxes allow the state to provide essential services and maintain order in Illinois, as in other states. Click on a link below to learn more about Illinois tax laws, including taxes related to riverboat gambling and other businesses.

Learn About Illinois Tax Laws

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