S.D. Codified Laws § 21-22-3
Within thirty days after entering upon his or her duties, any trustee under a court trust shall, if a resident of this state or if any of the trust estate has its situs in this state, file in the office of the clerk of the circuit court of the county specified in § 21-22-5 an inventory of all the trust estate, a copy of any personal representative's instrument of distribution, a copy of any recorded personal representative's deed of distribution, a duly certified copy of any other court order or clerk's statement establishing or confirming the trust, a true and correct copy of the governing instrument and all amendments and modifications made thereto, if any, on which the trust is based, a statement showing the names, residences and post office addresses of all persons, including conservators or other trustees interested in the trust, so far as known to the trustee, and the ages of such of them as are minors. Such inventory shall show a list and description of all the trust property, an estimate by the trustee of the value of each item, the encumbrances, if any, on each item, and all claims against the trust estate with the amount of each claim and the name and post office address of the claimant. Such inventory and such statement shall be duly verified by the trustee.
SDCL 21-22-3