The President of the Senate, the Speaker of the House of Representatives, or a chairman of committee of the whole, or of any committee or either House of the Legislature, is empowered to administer oaths to witnesses in any case under their examination.
Okla. Stat. tit. 12, § 413
Oaths
Added by Laws 1957, p. 168, § 3.
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.