Upon the request of a child placement agency, the court or an Indian tribe, the Secretary or his/her designee shall assist in locating the biological parents or prior Indian custodians of an adopted Indian child whose adoption has been terminated pursuant to 25 U.S.C. 1914 . Such requests for assistance should be sent to the Regional Director designated in § 23.11(c) .
25 C.F.R. §23.83