S.D. Codified Laws § 27A-13-32
The county auditor shall, upon receipt of a statement from the administrator of the Human Services Center requiring payment for the care of voluntary patients therein, enter the proper charge against the respective patients and notify those legally bound for the support of such patients, requiring them to pay the same, which payment shall be made to the county treasurer of the county in which such charge has been made and when such payment is made a receipt therefor in triplicate shall be issued and one copy of such receipt shall be filed with the county auditor, who shall give proper credit for the same.
The notification by the county auditor to those legally bound for the support of such patients shall also include a summary of the procedure to appeal the amount they are charged as provided in § 27A-13-10.
SDCL 27A-13-32