The Department, at its expense, shall provide a stenographer to take down testimony and preserve a record of all proceedings at the hearing of any case under this Act. The notice of hearing, complaint and all other documents in the nature of pleadings and written motions filed in the proceedings, the transcript of testimony, the report and orders of the Department shall be the record of such proceedings. The Department shall furnish a transcript of such record to any person interested in the hearing upon payment therefor of 25 cents per 100 words for each original transcript and eight cents per 100 words for each carbon thereof ordered with the original: Provided, the charge for any part of the transcript ordered and paid for previous to the writing of the original record thereof shall be eight cents per 100 words.
430 ILCS 35/8