No person who is under the influence of voluntarily consumed or injected alcohol or controlled substances at the time of committing the act charged is for that reason insane.
S.D. Codified Laws § 22-3-1.1
Voluntary consumption of alcohol or controlled substance not causing insanity
Source: SL 1983, ch 174, § 4; SL 2005, ch 120, § 371.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.