53-8-7. Alteration of written contract without new consideration. A contract in writing may be altered by a contract in writing without a new consideration or by an executed oral agreement, and not otherwise.
Source: CivC 1877, § 969; CL 1887, § 3593; RCivC 1903, § 1287; RC 1919, § 908; SDC 1939, § 10.0806.