In all cases in which the attendance of witnesses may be compelled for an investigation under § 31.10, any member of the legislative authority may administer the requisite oaths, and the legislative authority has the same power to compel the giving of testimony by attending witnesses as is conferred upon courts. In all these cases, witnesses shall be entitled to the same privileges and immunities as are allowed witnesses in civil cases. Witnesses shall be paid the same fees and mileage provided for under R.C. § 1901.26, and the costs of all such proceedings shall be payable from the General Fund of the municipality.
(R.C. § 733.39) (Prior Code, § 3.04.15)