S.D. Codified Laws § 28-1-64
The provisions of § 25-6-13 concerning the parents' financial ability to the contrary notwithstanding, the Department of Social Services or any other public agency may make payments as needed in behalf of a child with special needs after placement for adoption, including the necessary costs of the legal completion of the child's adoption. The department may make these payments if the family has the capability of providing the permanent family relationships needed by the child in all areas except financial, as determined by the department or a licensed child placement agency. It shall also be determined that the needs of the child are beyond the economic ability and resources of the family and that the child would go without adoption except for the acceptance of the child as a member of the adoptive family or that the child would become dependent upon the state for support. Such payments to adoptive parents may include maintenance costs, medical and surgical expenses, and other costs incidental to the care of the child. Payments for maintenance, medical, dental, or hospital care shall terminate on or before the child's twenty-first birthday. The secretary of social services may promulgate reasonable and necessary rules pursuant to chapter 1-26 to implement this section.
SDCL 28-1-64