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.
Joint debtors not released by release of one--Right of contribution
SDCL § 20-7-12 — under ACCORD AND SATISFACTION, NOVATION AND RELEASE OF OBLIGATIONS.
SDCL § 20-7-12