S.D. Codified Laws § 47-25-20 (2026)
If the surviving or new corporation of a merger or consolidation described in § 47-25-18, as the case may be, is to be governed by the laws of any state other than this state, it shall comply with the provisions of chapter 47-27 with respect to foreign corporations if it is to conduct affairs in this state, and in every case it shall file with the secretary of state of this state:
Source: SL 1965, ch 24 , § 45 (2).