S.D. Codified Laws § 27A-12-3.22
Current with legislation signed by the governor on or before 3/6/2024
No person may be administered or subjected to psychosurgery, aversive stimuli, or substantial deprivations. Aversive stimuli shall include anything which, because it is believed to be unreasonably unpleasant, uncomfortable, or distasteful to the person, is administered or done to the person for the purpose of reducing the frequency of a behavior but does not include restrictive treatment procedures implemented in accordance with § 27A-12-6.1. Substantial deprivations include the withdrawal or withholding of basic necessities or comforts which is intended to subject the person to significant discomfort, inconvenience, or unpleasantness.
SDCL 27A-12-3.22