Section 23.140 - 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.59 FR 2256, Jan. 13, 1994, as amended at 83 FR 55268 , Nov. 5, 2018 81 FR 38867 , 12/12/2016as amended at 83 FR 55268 , 11/5/2018