S.D. Codified Laws § 40-37-12
Current with legislation signed by the governor on or before 3/6/2024
In addition to the levy authorized pursuant to § 40-37-11, the board of county commissioners may levy an additional amount equal to the amount provided in § 40-37-11, if such additional amount is approved by referendum as provided in § 40-37-13.
SDCL 40-37-12