S.D. Codified Laws § 24-11-41
The governing body of any compact, municipality, or county may contract with a private entity to provide for the financing, design, construction, leasing, operation, purchase, maintenance or management of a jail, correctional facility, detention center, work camp, or related facility. The governing body of any compact, municipality, or county may not award a contract under this section unless it requests proposals by public notice and not less than thirty days from such notice receives a proposal that meets or exceeds the requirements specified in the request for proposals. Before the governing body of any compact, municipality, or county enters into a contract under this section, the governing body of the compact, municipality, or county shall receive the written approval of the sheriff or other designated law enforcement official of such municipality or county, which written approval shall not be unreasonably withheld.
SDCL 24-11-41