S.D. Codified Laws § 33-10-240
Principal defined
Any person subject to this code who:
(1) Commits an offense punishable by this code, or aids, abets, counsels, commands, or procures its commission; or
(2) Causes an act to be done which if directly performed by the person would be punishable by this code;
Source: SL 2012, ch 175, § 221.