S.D. Codified Laws § 51A-6A-50
Before any trust company can merge, consolidate with, convert from a corporation to a limited liability company or from a limited liability company to a corporation under § 47-1A-950 or 47-1A-950.1, or transfer its assets and liabilities to another trust company or bank, it shall file with the director, certified copies of all proceedings of its governing board and owners relating to the merger, consolidation, conversion, or transfer. The owners' proceedings shall show that a majority of the owners voted in favor of the merger, consolidation, conversion, or transfer. The owners' proceedings shall contain a complete copy of the agreement made and entered into, with reference to the merger, consolidation, conversion, or transfer. Upon the filing of the owners' and governing board's proceedings, the director shall make an investigation to determine whether:
The director's consent to or rejection of a merger, consolidation, conversion, or transfer shall be based upon the investigation. No merger, consolidation, conversion, or transfer may be made without the consent of the director. The expense of the investigation shall be paid by the persons filing the request.
SDCL 51A-6A-50