Ohio Rev. Code Ann. § 4117.10
(D) There is hereby established an office of collective bargaining in the department of administrative services for the purpose of negotiating with and entering into written agreements between state agencies, departments, boards, and commissions and the exclusive representative on matters of wages, hours, terms and other conditions of employment and the continuation, modification, or deletion of an existing provision of a collective bargaining agreement. Nothing in any provision of law to the contrary shall be interpreted as excluding the bureau of workers' compensation and the industrial commission from the preceding sentence. This office shall not negotiate on behalf of other statewide elected officials or boards of trustees of state institutions of higher education who shall be considered as separate public employers for the purposes of this chapter; however, the office may negotiate on behalf of these officials or trustees where authorized by the officials or trustees. The staff of the office of collective bargaining are in the unclassified service. The director of administrative services shall fix the compensation of the staff. The office of collective bargaining shall: