§ 1921.19 Depositions.

(a) When, how, and by whom taken. For good cause shown, the testimony of any witness may be taken by deposition in any proceeding, when a complaint has been filed, whether at issue or not. Depositions may be taken orally or upon written interrogatories before any person designated by the hearing examiner and having power to administer oaths.

(b) Application. Any party desiring to take the deposition of a witness shall make application in writing to the hearing examiner, setting forth the reasons why such deposition should be taken; the time when, the place where, and the name and post office address of the person before whom the deposition is to be taken; the name and address of each witness; and the subject matter concerning which each witness is expected to testify.