S.D. Codified Laws § 5-27-4
In fiscal year 2019, the Bureau of Finance and Management shall transfer each month twenty-one and one-half percent of the monthly state capital construction fund revenues from the state capital construction fund to the ethanol fuel fund. In fiscal year 2020, the Bureau of Finance and Management shall transfer each month fifteen percent of the monthly state capital construction fund revenues from the state capital construction fund to the ethanol fuel fund. In fiscal year 2021, the Bureau of Finance and Management shall transfer each month ten percent of the monthly state capital construction fund revenues from the state capital construction fund to the ethanol fuel fund. In fiscal year 2022, the Bureau of Finance and Management shall transfer each month five percent of the monthly state capital construction fund revenues from the state capital construction fund to the ethanol fuel fund.
SDCL 5-27-4