Synopsis As Introduced Amends the Illinois Municipal Code. Provides that the corporate authorities of a municipality may, by ordinance with a three-fifths vote, exempt the municipality from one unfunded mandate per year if it determines that compliance with the unfunded mandate creates an undue burden on the municipality. Provides for notice, public hearing, and other requirements in order for the corporate authorities to exempt the municipality from a mandate. Prohibits exemption from federally required mandates, mandates pertaining to health and public safety, mandates pertaining to civil rights, and instructional mandates for school districts. Amends the State Mandates Act making conforming changes.