Pursuant to 25 USCS § 1903 (1) [Title 25. Indians; Chapter 21. Indian Child Welfare], the term child custody proceeding shall mean and include--
“(i) "foster care placement" which shall mean any action removing an Indian child from its parent or Indian custodian for temporary placement in a foster home or institution or the home of a guardian or conservator where the parent or Indian custodian cannot have the child returned upon demand, but where parental rights have not been terminated;
(ii) "termination of parental rights" which shall mean any action resulting in the termination of the parent-child relationship;
(iii) "preadoptive placement" which shall mean the temporary placement of an Indian child in a foster home or institution after the termination of parental rights, but prior to or in lieu of adoptive placement; and
(iv) "adoptive placement" which shall mean the permanent placement of an Indian child for adoption, including any action resulting in a final decree of adoption.
Such term or terms shall not include a placement based upon an act which, if committed by an adult, would be deemed a crime or upon an award, in a divorce proceeding, of custody to one of the parents.”