Ohio Rev. Code Ann. § 5165.109
(C) The department shall notify a provider of the findings of an audit of a cost report by issuing an audit report. The audit report shall include notice of any fine imposed under section 5165.1010 of the Revised Code. The department shall issue the audit report not later than three years after the earlier of the following:
(E)
(1) The department shall establish an audit manual and program for field audits conducted under this section. Each auditor conducting a field audit under this section shall follow the audit manual and program, regardless of whether the auditor is under contract with the department, works for a firm under contract with the department, or is employed by the department. The manual and program shall do both of the following:
(a) Require each field audit to be conducted by an auditor to whom all of the following apply:
(b) Require each auditor conducting a field audit to do all of the following: