Ohio Revised Code Title III. Counties § 327.06

Money shall be drawn from the county treasury for investment or disbursement by the board of trustees of the sinking fund by the issuance of a voucher, signed by all the members of the board and directed to the county auditor, on which a warrant shall be drawn on the county treasurer, payable from the proper fund. All moneys received by such board shall be paid into the county treasury to the credit of the proper fund, on the certificate of the auditor. All securities held by such board shall be deposited with the treasurer. When securities are so deposited they shall be withdrawn only upon the written application of all the members of the board and in the presence of two of them.