Ohio Rev. Code » Chapter 2317
Ohio Revised Code

Ohio Rev. Code § 2317.30 (2026)

Oath of witness

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Effective:
October 1, 1953
Latest Legislation:
House Bill 1 - 100th General Assembly
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Before testifying, a witness shall be sworn to testify the truth, the whole truth, and nothing but the truth.
Notes of Decisions
Cited in 28 cases (9 in the last 5 years), 1966–2026 · leading case: State v. Donkers, 867 N.E.2d 903 (Ohio Ct. App. 11th Dist. 2007).
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State v. Donkers, 867 N.E.2d 903 (Ohio Ct. App. 11th Dist. 2007). “” R.C. 2317.30 (entitled “Oath of witness”).”
State v. Rosa, 547 N.E.2d 1232 (Ohio Ct. App. 8th Dist. 1988). · cites it 3× “Defendant argues, unlike R.C. 2317.30 which sets forth the standard for administration of oaths to witnesses and which can be waived by failure to administer the oath, R.”
In re Rocky Point Plaza Corp., 621 N.E.2d 566 (Ohio Ct. App. 10th Dist. 1993). · cites it 2× “) “Section 2317.30, Revised Code, provides: “ ‘Before testifying, a witness shall be sworn to testify the truth, the whole truth, and nothing but the truth.”
State v. Adkins, 2018-Ohio-2588, 115 N.E.3d 887. “Further, appellee acknowledges her testimony was prejudicial, just "not tremendously prejudicial.”
In re S.M.B., 2019-Ohio-3578. “21, R.C. 2317.30, R.C. 2945.46, Juv.R. 29(E)(3), and Evid.”
United Assn. of Journeymen & Apprentices of the Plumbing & Pipe Fitting Indus. v. Jack's Heating, Air Conditioning & Plumbing, Inc., 2013-Ohio-144. “6-12-06 under oath, R.C. 2317.30; Evid.R. 603, and the failure to place a witness under oath precludes the consideration of a witness’s statement as evidence, Arcaro Bros.”
Arcaro Bros. Builders v. Zoning Bd. of Appeals, 218 N.E.2d 179 (Ohio 1966). · cites it 2× “) Section 2317.30, Revised Code, provides: “Before testifying, a witness shall be sworn to testify the truth, the whole truth, and nothing but the truth.”
In re E.C., 2015-Ohio-4807. · cites it 2× “603 and R.C. 2317.30. Third Assignment of Error The juvenile court violated E.”
In re G.W., 2020-Ohio-3355. “{¶20} HCJFS now contends that the juvenile court’s decision must be reversed because the trial court “declined” to swear in Dr.”
Scott v. Wells, 2022-Ohio-471. “603, R.C. 2317.30, and Article I, Section 7 of the Ohio Constitution all require that an oath be administered to a witness before the witness may testify.”
Edelstein v. Edelstein, 2025-Ohio-1514. “R. 603 does not require that a pretestimonial oath be administered in a court room, or that the oath occurs on the record, or that the judge or magistrate be the one who administers the oath.”
In re G.D., 2015-Ohio-4669. “603, R.C. 2317.30, as well as Article I, Section 7 of the Ohio Constitution all require that an oath be administered to a witness before the witness may testify.”
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