Ohio Revised Code Title XXXVII. Health Safety Morals § 3737.66

(A) As used in this section, “firefighting agency” and “private fire company” have the same meanings as in section 9.60 of the Revised Code.

(B) No person shall claim to the public to be or act as a firefighter, volunteer firefighter, member of a fire department, chief of a fire department, or fire prevention officer unless the person is recognized as a firefighter, volunteer firefighter, member of a fire department, member of a private fire company, chief of a fire department, or fire prevention officer by the fire marshal or has received a certificate issued under former section 3303.07 or section 4765.55 of the Revised Code evidencing satisfactory completion of a firefighter training program and has been appointed by the governing board of a firefighting agency or, in the case of a volunteer firefighter, receives such a certificate within one year after appointment by the governing board of a firefighting agency.