In any proceeding in which the custody of a child is to be determined, the court, when it has reason to believe that the child is an Indian child within the meaning of the Indian Child Welfare Act of 1948 (92 Stat. 3069), shall require the verification of the child's status in accordance with that act and proceed further, as appropriate, in accordance with the provisions of that act.
N.Y. Comp. Codes R. & Regs. Tit. 22 § 202.68