25 C.F.R. § 20.507
If a child needs foster care, the social services worker must select care that meets the physical, behavioral, and emotional needs of the child. Foster care is intended to be short-term. The case plan must show that all of the requirements in paragraphs (a) through (c) of this section are met:
(a) All foster homes must be certified or licensed by the tribe or other appropriate authority. Foster care placements beyond 30 days must be made through a court of competent jurisdiction to ensure that: