Okla. Stat. tit. 21, § 21-281: False statements made during an internal investigation

A. Any person who knowingly makes or utters a materially false

statement, either verbally or in writing, in the course of an

internal state agency investigation shall, upon conviction, be

guilty of a misdemeanor punishable by imprisonment in the county

jail for not more than one (1) year, or by a fine not exceeding Five

Hundred Dollars ($500.00), or by both such fine and imprisonment.

B. The person being interviewed pursuant to subsection A of

this section shall be informed, in writing and prior to commencement

of the interview, that providing a materially false statement shall

subject the person to criminal prosecution.