Illinois Department of Revenue

The Illinois Department of Revenue (IDOR) is a department of the Illinois state government that collects state taxes, operates the Illinois State Lottery, oversees the state's casino industry, oversees the state's thoroughbred and harness horse racing industries, and regulates the distribution of alcoholic beverages throughout Illinois, including beer, wine, and liquor. It is headquartered at the Willard Ice Building, 101 West Jefferson in Springfield, Illinois.