Okla. Stat. tit. 62, § 34.71
The Director of the Office of State Finance shall establish a procedure to issue payment of a proper invoice for goods or services within no less than forty-five (45) days from the date on which the invoice was received in the office designated by the agency to which the goods or services were sold and delivered.
Laws 1983, HJR 1010, p. 1167, § 1, emerg. eff. May 24, 1983; Amended by Laws 2009, HB 2015, c. 441, § 48, emerg. eff. July 1, 2009 (superseded document available); Renumbered from 62 O.S. § 41.4a by Laws 2009, HB 2015, c. 441, § 64, emerg. eff. July 1, 2009.