Sec. 19. (a) The commission has the power of subpoena and may require a person to appear before the commission, a member of the commission, or the co-directors to be examined with regard to any matter with which the commission or the co-directors are charged with a duty under this title.
(b) The commission or the co-directors may require appearances at the office of the commission or at a place fixed by the commission or co-directors in the county of residence of the person subpoenaed.
(c) A witness who is subpoenaed under this section is entitled to be paid the same mileage and fee as witnesses in court actions. Mileage and fees shall be paid as other election expenses are paid.