25 CFR § 23.130 - What placement preferences apply in adoptive placements?
(a) In any adoptive placement of an Indian child under State law, where the Indian child's Tribe has not established a different order of preference under paragraph (b) of this section, preference must be given in descending order, as listed below, to placement of the child with:
(1) A member of the Indian child's extended family;
(2) Other members of the Indian child's Tribe; or
(3) Other Indian families.
(b) If the Indian child's Tribe has established by resolution a different order of preference than that specified in ICWA, the Tribe's placement preferences apply.