South Dakota Codified Laws
Chapter 03 - Parties To Crimes
Section 22-3-1.1 - Voluntary consumption of alcohol or controlled substance not causing insanity.

22-3-1.1. Voluntary consumption of alcohol or controlled substance not causing insanity.
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.

Source: SL 1983, ch 174, §4; SL 2005, ch 120, §371.