S.D. Codified Laws § 34-8-4.2
Notwithstanding the provisions of § 34-8-4.1, it shall not be necessary to submit the question of the bond issue to the people excepting that if within thirty days from the publication of the official minutes of the meeting of the county commissioners in which the resolution to issue revenue bonds is adopted, a protest signed by fifteen percent of the voters of the county voting for Governor at the last general election be filed with such county commissioners, then no such bond issuance shall be made until the question shall have been submitted to the vote of the people and sixty percent of those voting shall vote in favor thereof. The question so submitted shall be "Shall the County issue Revenue Bonds not to exceed $____ for the financing of an addition to the county hospital?"
SDCL 34-8-4.2