Administrative Reviews When a staff determination or interpretation of the Illinois Pension Code or TRS rules is appealed, the Claims Hearing Committee of the Board of Trustees hears the matter, and the Board issues a written decision. Associated Documents Creditable Earnings - Adams – 2009 Creditable Earnings - Arthur – 1997 Creditable Earnings - CUSD 300 – 1997 Creditable Earnings - Haldorson – 1996 Creditable Earnings - Chyatte – 1995