S.D. Codified Laws § 23-7-54.4 (2026)
A person holding an unexpired restricted enhanced permit who has reached the age of twenty-one may submit a written request to the secretary of state for an unrestricted enhanced permit. The unrestricted enhanced permit shall be issued at no additional cost.
Source: SL 2018, ch 141 , § 4, eff. Mar. 9, 2018.