S.D. Codified Laws § 20-13-12
Current with legislation signed by the governor on or before 3/6/2024
It is an unfair or discriminatory practice for any labor organization, because of race, color, creed, religion, sex, ancestry, disability, or national origin, to deny full and equal membership rights to an applicant for membership or to a member; to expel, suspend, or otherwise discipline a member; or to accord adverse, unlawful, or unequal treatment to any person with respect to that person's hiring, apprenticeship, training, tenure, compensation, upgrading, layoff, or any term or condition of employment.
SDCL 20-13-12