Okla. Stat. tit. 40, § 197.5

Every employer shall pay to each of his employees who have reached eighteen (18) years of age wages at a rate of not less than Two Dollars ($2.00) per hour. Regardless of other provisions of the Oklahoma Minimum Wage Act, every employee of the State of Oklahoma or any lessee or concessionaire thereof is hereby specifically covered by the Oklahoma Minimum Wage Act.