Oklahoma § 21-643 - Force against another not unlawful, when - Self-defense Defense of property

Full text of Oklahoma Oklahoma Statutes § 21-643 — Force against another not unlawful, when - Self-defense Defense of property, with citation guidance and answers to common questions.

§ 21-643. Force against another not unlawful, when - Self-defense Defense of property

To use or to attempt to offer to use force or violence upon or

toward the person of another is not unlawful in the following cases:

1. When necessarily committed by a public officer in the

performance of any legal duty, or by any other person assisting such

officer or acting by such officer's direction;

2. When necessarily committed by any person in arresting one

who has committed any felony, and delivering such person to a public

officer competent to receive such person in custody;

3. When committed either by the person about to be injured, or

by any other person in such person's aid or defense, in preventing

or attempting to prevent an offense against such person, or any

trespass or other unlawful interference with real or personal

property in such person's lawful possession; provided the force or

violence used is not more than sufficient to prevent such offense;

4. When committed by a parent or the authorized agent of any

parent, or by any guardian, master or teacher, in the exercise of a

lawful authority to restrain or correct such person's child, ward,

apprentice or scholar, provided restraint or correction has been

rendered necessary by the misconduct of such child, ward, apprentice

or scholar, or by the child's refusal to obey the lawful command of

such parent or authorized agent or guardian, master or teacher, and

the force or violence used is reasonable in manner and moderate in

degree;

5. When committed by a carrier of passengers, or the authorized

agents or servants of such carrier, or by any person assisting them

at their request, in expelling from any carriage, railroad car,

vessel or other vehicle, any passenger who refuses to obey a lawful

and reasonable regulation prescribed for the conduct of passengers,

if such vehicle has first been stopped and the force and violence

used is not more than is sufficient to expel the offending

Oklahoma Statutes - Title 21. Crimes and Punishments

passenger, with a reasonable regard to such passenger's personal

safety; and

6. When committed by any person in preventing a person who is

impaired by reason of intellectual or developmental disability as

defined by Section 1430.2 of Title 10 of the Oklahoma Statutes, a

mentally ill person, insane person or other person of unsound mind,

including persons temporarily or partially deprived of reason, from

committing an act dangerous to such person's self or to another, or

enforcing such restraint as is necessary for the protection of the

person or for restoration to health, during such period only as

shall be necessary to obtain legal authority for the restraint or

custody of the person.

R.L. 1910, § 2342. Amended by Laws 1998, c. 246, § 12, eff. Nov. 1,

1998; Laws 2019, c. 475, § 17, eff. Nov. 1, 2019.

Source: official Oklahoma text · Last verified 2026-08-27

Frequently Asked Questions About Oklahoma § 21-643

What does Oklahoma Statutes § 21-643 cover?

Section 21-643 ("Force against another not unlawful, when - Self-defense Defense of property") is part of the Oklahoma Statutes, the codified statutory law of Oklahoma. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Oklahoma § 21-643?

A common citation format is "Oklahoma Statutes § 21-643" (Oklahoma). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Oklahoma law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Oklahoma official source linked on this page or consult a licensed Oklahoma attorney.

How does Oklahoma § 21-643 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Oklahoma can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

Not legal advice. Verify against the official source and consult a licensed attorney in Oklahoma.