In any proceeding in which the custody of a child is to be determined, petition shall be set forth whether the child is a Native American child subject to the Indian Child Welfare Act of 1978 ( 25 USC 1901 - 1963 ), and the court shall proceed further, as appropriate, in accordance with the provisions of that act.
N.Y. Comp. Codes R. & Regs. Tit. 22 § 207.59