Ohio Revised Code Title XXIX. Crimes Procedure § 2935.081

(A) As used in this section, “peace officer” has the same meaning as in section 2935.01 of the Revised Code, except that “peace officer” does not include, for any purpose, the superintendent or any trooper of the state highway patrol.

(B) A peace officer who has completed a course of in-service training that includes training in the administration of oaths and the acknowledgment of documents and that is approved by the chief legal officer of the political subdivision in which the peace officer is elected or of the political subdivision or other entity in which or by which the peace officer is appointed or employed may administer oaths and acknowledge criminal and juvenile court complaints, summonses, affidavits, and returns of court orders in matters related to the peace officer's official duties.

(C) A trooper of the state highway patrol who has completed a course of in-service training that includes training in the administration of oaths and the acknowledgment of documents and that is approved by the director of public safety may administer oaths and acknowledge criminal and juvenile court complaints, summonses, affidavits, and returns of court orders in matters related to the trooper's official duties.

(D) Except as authorized by division (B) or (C) of this section, no peace officer or trooper who has completed a course of in-service training of a type described in division (B) or (C) of this section shall knowingly perform any act that is specifically required of a notary public unless the peace officer or trooper has complied with Chapter 147. of the Revised Code.