(1) Any investigation, inquiry, or hearing which the commission has power to undertake or to hold under the provisions of this chapter may be undertaken or held by or before any member of the commission or by and before any agent or examiner of the commission designated for the purpose by the commission. Every finding, order, or decision made by a member of the commission or agent or examiner of the commission so designated, together with a statement in writing of the reasons therefor (which statement must be included in the finding, order, or decision, pursuant to the investigation, inquiry, or hearing) when approved and confirmed by the commission and ordered filed in its office shall be considered the finding, order, or decision of the commission.
(2) An agent or examiner of the commission designated as aforesaid may administer oaths, examine witnesses, and receive evidence.