The Comptroller , at its expense, shall preserve a record of all proceedings at the formal hearing of any case. Any notice of hearing, complaint, all other documents in the nature of pleadings, written motions filed in the proceedings, the transcripts of testimony, the report of the hearing officer, and orders of the Comptroller shall be in the record of the proceeding. The Comptroller shall furnish a transcript of such record to any person interested in such hearing upon payment of a reasonable fee .
410 ILCS 18/80