Ohio Revised Code Title XXXIII. Education Libraries § 3319.101

(A) Except as provided under division (B) of this section, if any person applies to the board of education of a school district to be employed as a substitute teacher and the person does not hold a valid teacher's certificate issued under sections 3319.22 to 3319.31 of the Revised Code, and if the superintendent of the district believes the person's application materials indicate that the person is qualified to obtain a teacher's certificate under those sections, the board may conditionally employ the person as a substitute teacher during the period, which shall not exceed sixty days, commencing on the date on which the person files an application with the state board of education for a teacher's certificate and ending on the date on which the district board receives notice from the superintendent of the district that the teacher has filed with the superintendent a valid teacher's certificate.

(B) If a person conditionally employed under division (A) of this section is denied a teacher's certificate by the state board, the employing board shall terminate the person from employment.