Okla. Stat. tit. 21, § 453
Any person guilty of falsely preparing any book, paper, record, instrument in writing, or other matter or thing, with intent to produce it, or allow it to be produced as genuine upon any trial, proceeding or inquiry whatever, authorized by law, shall be guilty of a felony.
R.L. 1910, § 2228; Amended by Laws 1997, HB 1213, c. 133, § 198 (effective date changed to July 1, 1999, by Laws 1998, 1st Extr. Sess., HB 1002, c. 2, §§ 23-26, emerg. eff. June 19, 1998) (superseded document available).