Ohio Revised Code Title XLVII. Occupations Professions § 4735.32

(A)(1) The Ohio real estate commission or the superintendent of real estate may commence, at any time within three years from the date on which an alleged violation of a provision of this or another chapter of the Revised Code occurred, any investigation that relates to the conduct of a licensed real estate broker, real estate salesperson, foreign real estate dealer, or foreign real estate salesperson, that is authorized pursuant to section 1349.11, 4735.051, 4735.052, or 4735.18, or any other section of the Revised Code, and that is for purposes of determining whether a licensee, unlicensed person, or unlicensed entity has violated a provision of this or another chapter of the Revised Code and whether, as a consequence, a licensee's license should be suspended or revoked, or other disciplinary action taken, as provided in this or another chapter of the Revised Code. If such an investigation is not commenced within the three-year period, it shall be barred, and neither the commission nor the superintendent shall suspend or revoke the license of any licensee, or take other disciplinary action against any licensee, unlicensed person, or unlicensed entity because of the alleged violation of a provision of this or another chapter of the Revised Code that could have been the subject of the barred investigation.

(2) For purposes of division (A)(1) of this section, if an investigation that is authorized by section 4735.051 of the Revised Code is involved, it shall be considered to be commenced as of the date on which a person files the complaint with the division of real estate.