S.D. Codified Laws § 8-4-5 (2026)
If any person elected or appointed to any township office, of whom an oath or bond is required, neglects to file the same within the time prescribed by law, such neglect shall be deemed a refusal to serve in such office.
Source: SL 1883, ch 112 , subch 1, § 42; CL 1887, § 747; RPolC 1903, § 1041; RC 1919, § 6074; SDC 1939, § 58.0406.