Notwithstanding any provision of §§ 20-13-10 to 20-13-13, inclusive, it is not an unfair or discriminatory practice for an employer to give and to act upon the results of any professionally developed ability test if such test, its administration or action upon the results is not designed, intended or used to discriminate because of race, color, creed, religion, sex, ancestry, disability, or national origin.
SDCL 20-13-15