Synopsis As Introduced Proposes to amend the Legislature Article of the Illinois Constitution. Establishes an Independent Redistricting Commission. Requires the Commission to adopt and file a redistricting plan with the Secretary of State by June 30 of the year following each federal decennial census. Sets forth criteria the Commission is to use in the formulation of that plan. Requires the Commission to hold public hearings regarding its proposed redistricting plans. Sets forth provisions concerning the number of votes needed for the Commission to take official action. Subject to limited exceptions, requires meetings and records of the Commission to be open to the public. Establishes a procedure for the selection of Commissioners. Establishes eligibility criteria for persons involved with the Commission's work. Provides that, if the Commission fails to adopt and file with the Secretary of State a district plan by June 30 of the year following a federal decennial census, then the Chief Justice of the Supreme Court and the most senior Judge of the Supreme Court who is not affiliated with the same political party as the Chief Justice shall appoint a Special Commissioner for Redistricting by July 31 of the year following the applicable federal decennial census. Requires the Special Commissioner to design and file a district plan with the Secretary of State by August 31 of that year. Effective upon being declared adopted.