Any instrument within the scope of his authority, by which an agent intends to bind his principal, does bind him if such intent is plainly inferable from the instrument itself.
S.D. Codified Laws § 59-6-4
Principal bound by agent's writings
Source: CivC 1877, § 1373; CL 1887, § 3996; RCivC 1903, § 1692; RC 1919, § 1274; SDC 1939, § 3.0304.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.