Ohio Rev. Code Ann. § 4123.65
(A) A state fund employer or the employee of such an employer may file an application with the administrator of workers' compensation for approval of a final settlement of a claim under this chapter. The application shall include the settlement agreement, and except as otherwise specified in this division, be signed by the claimant and employer, and clearly set forth the circumstances by reason of which the proposed settlement is deemed desirable and that the parties agree to the terms of the settlement agreement. A claimant may file an application without an employer's signature in the following situations:
(G) Notwithstanding any provision of the Revised Code to the contrary, an employer shall not deny or withdraw consent to a settlement application filed under this section if both of the following apply to the claim that is the subject of the application: