S.D. Codified Laws § 11-8-35

For the purpose of aiding in the planning, undertaking, or carrying out of any urban renewal project and related activities of an urban renewal agency or a housing authority hereunder, a municipality may, in addition to its other powers and upon such terms, with or without consideration, as it may determine, do and perform any or all of the actions or things which, by the provisions of § 11-8-34, a public body is authorized to do or perform, including the furnishing of financial and other assistance.