Ohio Rev. Code Ann. § 4123.291
(B) An employer who is adversely affected by a decision of an adjudicating committee appointed by the administrator may appeal the decision of the committee to the administrator or the administrator's designee. The employer shall file the appeal in writing within thirty days after the employer receives the decision of the adjudicating committee. The administrator or the designee shall hear the appeal and hold a hearing, provided that the decision of the adjudicating committee relates to one of the following: