S.D. Codified Laws § 10-45-2.8
Any retailer that is part of a controlled group as defined in § 10-45-20.3 and that controlled group has a component member that is a retailer engaged in business in this state as described in §§ 10-45-2.5 to 10-45-2.9, inclusive, shall be presumed to be a retailer engaged in business in this state. This presumption may be rebutted by evidence that during the calendar year at issue the component member that is a retailer engaged in business in this state did not engage in any of the activities described in §§ 10-45-2.5 to 10-45-2.9, inclusive, on behalf of the retailer. For purposes of this section, the term, component member, means any component member as defined in Section 1563(b) of the Internal Revenue Code as of January 1, 2011.
SDCL 10-45-2.8