70 ILCS 935/65
The Commission shall conduct a public hearing prior to either acquiring through eminent domain under Section 20 of this Act real or personal property within the District or approving under Section 60 of this Act a comprehensive master plan. The Commission shall also conduct a public hearing whenever it is otherwise required by law to do so, and may conduct a public hearing whenever it may elect to do so.
The Commission shall conduct the public hearing called by it in accordance with the requirements of the law mandating it, if any, or in accordance with the provisions of this Section if either the law mandating it is silent as to the procedures for its holding or if the Commission elects to hold a public hearing in the absence of any law mandating it.
In the absence of any law, or of any procedures in any law, mandating the holding of a public hearing, the Commission may authorize a commissioner or other person of legal age to conduct a hearing. The commissioner or other authorized person has the power to: (i) administer oaths and affirmations, (ii) take the testimony of witnesses, (iii) take and receive the production of papers, books, records, accounts, and documents, (iv) receive pertinent evidence, and (v) certify the record of the hearing. The record of the hearing shall become part of the Commission's record. Notice of the time, place, and purpose of the hearing shall be given by a single publication notice in a secular newspaper of general circulation within Cook County at least 10 days before the date of the hearing.
70 ILCS 935/65