S.D. Codified Laws § 59-6-9
Current with legislation signed by the governor on or before 3/6/2024
Unless required by or under authority of law to employ that particular agent, a principal is responsible to third persons for the negligence of his agent in the transaction of the business of the agency, including wrongful acts committed by such agent in and as part of the transaction of such business; and for his willful omission to fulfill the obligation of the principal.
SDCL 59-6-9