Free State Tax Forms - Illinois

Illinois Department of Revenue e-Services for Businesses
Illinois Department of Revenue e-Services for Businesses revenue.state.il.us IDOR James R. Thompson Center Concourse Level 100 West Randolph Street Chicago, Illinois 60601-3274 USA Phone:
http://www.revenue.state.il.us/ElectronicServices/...
Illinois Department of Revenue e-Services for Individuals
Illinois Department of Revenue e-Services for Individuals revenue.state.il.us James R. Thompson Center Concourse Level 100 West Randolph Street Chicago, Illinois 60601-3274 USA Phone: +1312
http://www.revenue.state.il.us/ElectronicServices/...
Illinois Department of Revenue Individual & Business Tax Forms
Illinois Department of Revenue Individual & Business Tax Forms revenue.state.il.us IDOR James R. Thompson Center Concourse Level 100 West Randolph Street Chicago, Illinois 60601-3274 Phone:
http://www.revenue.state.il.us/TaxForms/index.htm