Okla. Stat. tit. 25, § 1101

A. This act provides for exclusive remedies within the state of the policies for individuals alleging discrimination in employment on the basis of race, color, national origin, sex, religion, creed, age, disability or genetic information. B. This act shall be construed according to the fair import of its terms to further the general purposes stated in this section and the special purposes of the particular provision involved. C. Any policy, program, or statute that prohibits sex discrimination shall be construed to forbid unfair treatment of females or males in relation to similarly situated members of the opposite sex. The state or its political subdivisions shall not be prohibited from establishing distinctions between sexes when such distinctions are substantially related to an important government objective, including, but not limited to, biology, privacy, safety, or fairness.