CONAMEND-INCOME TAX RATES Senate SponsorsSen. Edward D. Maloney-M. Maggie Crotty-William Delgado-Martin A. Sandoval and Michael W. Frerichs 1/12/2011SenateSession Sine Die ILCON Art. IX, Sec. 3 Proposes to amend the Revenue Article of the Illinois Constitution. Authorizes a tax on or measured by income to be at a graduated rate (now, all taxes on or measured by income shall be at a non-graduated rate). Provides that, in any such tax imposed upon corporations, the rate shall not exceed the weighted average rate imposed on individuals by more than a ratio of 8 to 5. Effective upon being declared adopted. 2/10/2010SenateFiled with Secretary 2/10/2010SenateReferred to Assignments 2/16/2010SenateAdded as Chief Co-Sponsor Sen. M. Maggie Crotty 2/16/2010SenateAdded as Chief Co-Sponsor Sen. William Delgado 2/16/2010SenateAdded as Chief Co-Sponsor Sen. Martin A. Sandoval 2/16/2010SenateAdded as Co-Sponsor Sen. Michael W. Frerichs 3/9/2010SenateAssigned to Executive 3/24/2010SenateTo Executive Subcommittee on Constitutional Amendments 4/12/2010SenatePostponed - Executive; Subcommittee on Constitutional Amendments 4/15/2010SenatePostponed - Executive 1/12/2011SenateSession Sine Die