S.D. Codified Laws § 55-2-17 (2026)
For the purposes of § 55-2-15, a beneficiary shall be considered to have the power to "change the trustees" if he or she can, alone or with others, name himself or herself as a trustee or can remove a trustee and replace that trustee with a new trustee who is the beneficiary or who is related or subordinate (as defined in § 672 of the I.R.C.) to the beneficiary.
Source: SL 2007, ch 281 , § 3; SL 2009, ch 252 , § 18.