Okla. Stat. tit. 12, § 3002
To prove the content of a record, recording or photograph, the original record, recording or photograph is required except as otherwise provided in this Code or by other statutes.
Laws 1978, SB 276, c. 285, § 1002, eff. October 1, 1978; Amended by Laws 2002, HB 1939, c. 468, § 66, eff. November 1, 2002 (superseded document available).