SDCL § 1-16B-24: Bonds and notes as legal investments for public and fiduciary funds.

The state and all counties, municipalities, political subdivisions, public bodies, public officers, banks, bankers, trust companies, savings banks and institutions, building and loan associations, savings and loan associations, personal representatives, conservators, trustees, and other fiduciaries may legally invest any debt service funds, money, or other funds belonging to them or within their control in any bonds or notes issued pursuant to this chapter.