INCOME TAX RATES Senate SponsorsSen. Don Harmon 1/13/2015SenateSession Sine Die ILCON Art. IX, Sec. 3 Proposes to amend the Revenue Article of the Illinois Constitution. Removes a provision that provides that a tax on income shall be measured at a non-graduated rate. Provides that, for any income tax imposed upon corporations, the rate shall not exceed the maximum rate imposed on individuals. Effective upon being declared adopted. 5/30/2013SenateFiled with Secretary 5/30/2013SenateReferred to Assignments 3/28/2014SenateAssigned to Executive 3/28/2014SenateTo Subcommittee on Constitutional Amendments 4/2/2014SenateSenate Committee Amendment No. 1 Filed with Secretary by Sen. Don Harmon 4/2/2014SenateSenate Committee Amendment No. 1 Referred to Assignments 4/3/2014SenateSenate Committee Amendment No. 1 Assignments Refers to Executive 4/3/2014SenateSenate Committee Amendment No. 1 To Subcommittee on Constitutional Amendments 4/3/2014SenatePostponed in Executive Subcommittee on Constitutional Amendments 4/3/2014SenateSenate Committee Amendment No. 1 Reported Back To Executive; 002-001-000 1/13/2015SenateSession Sine Die