S.D. Codified Laws § 25-7-28
Current with legislation signed by the governor on or before 3/6/2024
In the event necessary food, clothing, shelter, or medical attendance is provided for a parent by a child, he shall have the right of contribution from his adult brothers and sisters, who refuse or do not assist in such maintenance, on a pro rata share to the extent of their ability to so contribute to such support; provided that no right of contribution for support shall accrue except from and after notice in writing is given by the child so providing for his parent.
SDCL 25-7-28