S.D. Codified Laws § 47-20-16
Current with legislation signed by the governor on or before 3/6/2024
Each corporation shall have and continuously maintain in this state a registered agent, which agent may be either an individual resident in this state whose business office is identical with such registered office, or a domestic corporation, or a foreign corporation authorized to do or engage in any business in this state, or a domestic limited liability company, or a domestic limited liability partnership, having a business office identical with such registered office.
SDCL 47-20-16