105 ILCS 5/24A-5.5
Beginning with the first school year following the effective date of this amendatory Act of the 101st General Assembly, each school district shall, in good faith cooperation with its teachers or, if applicable, through good faith bargaining with the exclusive bargaining representative of its teachers, develop and implement an appeals process for "unsatisfactory" ratings under Section 24A-5 that includes, but is not limited to, an assessment of the original rating by a panel of qualified evaluators agreed to by the joint committee referred to in subsection (b) of Section 24A-4 that has the power to revoke the "unsatisfactory" rating it deems to be erroneous. The joint committee shall determine the criteria for successful appeals; however, the issuance of a rating to replace an "unsatisfactory" rating must be determined through bargaining between the exclusive bargaining representative, if any, and the school district.
105 ILCS 5/24A-5.5