Ratification of part of an indivisible transaction is a ratification of the whole.
S.D. Codified Laws § 59-2-5
Ratification of part of a transaction
Source: CivC 1877, § 1350; CL 1887, § 3973; RCivC 1903, § 1669; RC 1919, § 1251; SDC 1939, § 3.0106.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.