SDCL § 43-29-2: Mortgage or other lien upon real property discharged by record showing sale of property on foreclosure.

The record of a mortgage or other lien upon real property shall be without effect and said mortgage or lien shall be deemed satisfied and discharged where it appears from other records in the office of the register of deeds or clerk of courts that the property described therein has been sold on foreclosure of such mortgage or lien, or shows that the indebtedness secured thereby has been fully paid.