South Dakota Codified Laws
Chapter 07 - Accord And Satisfaction, Novation And Release Of Obligations
Section 20-7-10 - Obligation extinguished by release on new consideration or in writing.

20-7-10. Obligation extinguished by release on new consideration or in writing.
An obligation is extinguished by a release therefrom given to the debtor by the creditor, upon a new consideration, or in writing, with or without new consideration.

Source: CivC 1877, §867; CL 1887, §3491; RCivC 1903, §1185; RC 1919, §792; SDC 1939, §47.0240.