SDCL § 61-1-26: Service within and without state included--Base of operations or residence as basis for coverage.

As used in this chapter, the term, employment, includes an individual's entire service, performed within or both within and without this state if:

(1) The service is localized in this state; or

(2) The service is not localized in any state but some of the service is performed in this state and first, the base of operations, or, if there is no base of operations, then the place from which the service is directed or controlled, is in this state; or second, the base of operations or place from which the service is directed or controlled is not in any state in which some part of the service is performed, but the individual's residence is in this state.