S.D. Codified Laws § 44-8-25
Current with legislation signed by the governor on or before 3/6/2024
Nothing contained in this chapter shall affect the rights or liabilities of a mortgagor or mortgagee under a mortgage given by a purchaser or grantee of real estate to a lender who is not the vendor or grantor of such real estate.
SDCL 44-8-25