- (a) Witnesses will be orally examined under oath before the State Highway Commission or officer unless their testimony is taken by deposition.
- (b) In formal complaint, application, and investigation proceedings, complainant, applicant, and respondent, respectively, shall open and close the hearing.
- (c) Interveners shall follow the party in whose behalf the intervention is made.
- (d) The foregoing order of presentation may be varied by the commission or officer who also shall designate the order of presentation in any other type of proceeding, of any other party to any proceeding, or of parties to several proceedings being heard upon a consolidated record.