Okla. Stat. tit. 85A, § 123
Any form, claim, answer or report to be filed by any person with the Workers' Compensation Commission pursuant to this act shall contain or be verified by a written declaration that such form, claim, answer or report is true and made under the penalty of perjury.
Laws 2013, SB 1062, c. 208, § 166, eff. February 1, 2014.