S.D. Codified Laws § 4-10-10
State fiscal year
The fiscal year for the state shall commence on the first day of July and end on the thirtieth day of June in each year.
Source: SL 1891, ch 70, § 1; RPolC 1903, § 309; RC 1919, § 6958; SDC 1939, § 55.2010; SL 1971, ch 24.