Tennessee Code Title 4. State Government § 4-21-406

(1) An employer to employ or assign the terms and conditions of employees;

(2) An employment agency to classify, or refer an individual for employment;

(3) A labor organization to classify its members or to classify or refer a person for employment;  or

(4) An employer, labor organization, or joint training or retraining programs to admit or employ an individual in such programs on the basis of religion or sex in those certain instances where religion or sex is a bona fide occupational qualification reasonably necessary to the normal operation of that business or enterprise.