Ohio Rev. Code Ann. § 3119.31
In any action or proceeding in which a court or child support enforcement agency is determining the person responsible for the health care of the children who are or will be the subject of a child support order, each party shall provide to the court or child support enforcement agency a list of any group health insurance policies, contracts, or plans available to the party and the cost for self-only and family coverage under the available policies, contracts, or plans.