20-7-12. Joint debtors not released by release of one--Right of contribution.
A release of one of two or more joint debtors does not extinguish the obligations of any of the others, unless they are mere guarantors; nor does it affect their right to contribution from him.
Source: CivC 1877, §869; CL 1887, §3493; RCivC 1903, §1187; RC 1919, §794; SDC 1939, §47.0242.