S.D. Codified Laws § 55-3-14
Current with legislation signed by the governor on or before 3/6/2024
When a declaration of trust does not specify the rate or amount of the trustee's compensation the trustee is entitled to and shall receive reasonable compensation for the performance of his duties. If such declaration specifies the amount or rate of his compensation, he is entitled to the amount or rate thus specified and no more.
SDCL 55-3-14