25 C.F.R. § 23.140 : Indians — BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR — HUMAN SERVICES — INDIAN CHILD WELFARE ACT — INDIAN CHILD WELFARE ACT PROCEEDINGS —RECORDKEEPING — What information must States furnish to the Bureau of Indian Affairs?

(a) Any State court entering a final adoption decree or order in any voluntary or involuntary Indian-child adoptive placement must furnish a copy of the decree or order within 30 days to the Bureau of Indian Affairs, Chief, Division of Human Services, 1849 C Street NW, Mail Stop 3645 MIB, Washington, DC 20240, along with the following information, in an envelope marked "Confidential":
(1) Birth name and birthdate of the Indian child, and Tribal affiliation and name of the Indian child after adoption;
(2) Names and addresses of the biological parents;
(3) Names and addresses of the adoptive parents;
(4) Name and contact information for any agency having files or information relating to the adoption;
(5) Any affidavit signed by the biological parent or parents asking that their identity remain confidential; and
(6) Any information relating to Tribal membership or eligibility for Tribal membership of the adopted child.
(b) If a State agency has been designated as the repository for all State-court adoption information and is fulfilling the duties described in paragraph (a) of this section, the State courts in that State need not fulfill those same duties.

25 C.F.R. § 23.140

59 FR 2256, 1/13/1994; 81 FR 38867, 12/12/2016as amended at 83 FR 55268, 11/5/2018