S.D. Codified Laws § 9-53-4
Prior to the establishment of any benefit district for the acquiring or improving of a public convention hall, the governing body shall cause to be conducted a survey and investigation of the feasibility of such proposed district. Such survey shall include a determination of the desirability of the proposed location of such convention hall, the approximate cost to acquire a site and to make the proposed improvement, the area to be included within such district, the assessed valuation of the privately owned property subject to assessment in such proposed district, the necessity for the creation of such a district, and such other matters as the governing body deems necessary to properly consider the necessity for such a district and the financial feasibility of its creation.
SDCL 9-53-4