Ohio Rev. Code » Chapter 2317
Ohio Revised Code

Ohio Rev. Code § 2317.30 (2026)

Oath of witness

✓ current as of May 2026
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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. 2007).
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State v. Donkers, 867 N.E.2d 903 (Ohio Ct. App. 2007). “” R.C. 2317.30 (entitled “Oath of witness”).”
State v. Rosa, 547 N.E.2d 1232 (Ohio Ct. App. 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. 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 (Ohio Ct. App. 2018). “Further, appellee acknowledges her testimony was prejudicial, just "not tremendously prejudicial.”
In re S.M.B., 2019 Ohio 3578 (Ohio Ct. App. 2019). “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 (Ohio Ct. App. 2013). “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, Inc. 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 (Ohio Ct. App. 2015). · 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 (Ohio Ct. App. 2020). “{¶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 (Ohio Ct. App. 2022). “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 (Ohio Ct. App. 2025). “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 (Ohio Ct. App. 2015). “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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