Ohio Rev. Code § 3313.51
In every school district the treasurer of the board of education shall be the treasurer of the school funds. No moneys of a school district shall be paid out except on a check signed by the treasurer. If the treasurer is incapacitated in such manner that he is unable to sign such checks, the board may appoint an officer of the school district to sign such checks in the capacity of the treasurer. Payroll disbursements constitute an exception to this requirement if otherwise provided by law. All moneys received by a treasurer of a school district from any source whatsoever shall be immediately placed by him in a depository designated by the board of education of such school district, as provided by sections 135.01 to 135.21 of the Revised Code.
R.C. § 3313.51