Ohio Rev. Code Ann. § 305.171
(A) The board of county commissioners of any county may contract for, purchase, or otherwise procure and pay all or any part of the cost of any of the following insurance, coverage, or benefits issued by an insurance company or administered by a board of county commissioners or a contractor, for county officers and employees and their immediate dependents from the funds or budgets from which the county officers or employees are compensated for services:
(1) Group insurance policies that may provide any of the following:
(B) The board of county commissioners also may negotiate and contract for any plan or plans of health care services with health insuring corporations holding a certificate of authority under Chapter 1751. of the Revised Code, provided that each county officer or employee shall be permitted to do both of the following:
(J) As used in this section: