S.D. Codified Laws § 58-32-51 (2026)
The tax imposed under § 58-32-50, if delinquent, shall bear interest at the Category D rate of interest as established in § 54-3-16, compounded annually.
Source: SL 1966, ch 111 , ch 11, § 22 (4); SL 1983, ch 28 , § 67; SL 1984, ch 319 , § 33.