S.D. Codified Laws § 60-12-21 (2026)
No employer may, for the purpose of dissuading an employee from preferring charges or giving information against the employer or testifying against the employer in an action brought under § 60-12-18, threaten termination of the employ of the employee or other retaliatory action, or terminate the employ of the employee or take other retaliatory action.
Source: SL 1966, ch 64 , § 4; SL 2008, ch 276 , § 97.