Okla. Stat. tit. 12, § 392
Disobedience of a subpoena, or refusal to be sworn or to answer as a witness, when lawfully ordered, may be punished as a contempt of the court or officer by whom his attendance or testimony is required.
R.L. 1910, § 5057; Amended Laws 1980, HB 1594, c. 47, § 1, eff. October 1, 1980.