Okla. Stat. tit. 40, § 197.2
It shall be unlawful to employ workers in any industry or occupation within the State of Oklahoma under conditions of labor detrimental to their health or morals and it shall be unlawful to employ workers in any industry within the State of Oklahoma at wages which are not adequate for their maintenance. Except as otherwise provided in the Oklahoma Minimum Wage Act, no employer within the State of Oklahoma shall pay any employee a wage of less than the current federal minimum wage for all hours worked.
Laws 1965, HB 697, c. 427, § 2, emerg. eff. July 8, 1965; Amended by Laws 1971, HB 1173, c. 70, § 1, emerg. eff. July 1, 1971; Amended by Laws 1975, HB 1154, c. 221, § 1, eff. September 1, 1975; Amended by Laws 1976, HB 1905, c. 53, § 1, eff. September 15, 1976; Amended by Laws 1977, HB 1231, c. 266, § 1, eff. October 1, 1977; Amended by Laws 1980, HB 1407, c. 203, § 1, eff. October 1, 1980; Amended by Laws 1983, HB 1163, c. 60, § 1, eff. November 1, 1983.