(a) A child-custody proceeding that pertains to an Indian child as defined in the Indian Child Welfare Act, 25 U.S.C. § 1901 et seq., is not subject to this Act to the extent that it is governed by the Indian Child Welfare Act.
     (b) A court of this State shall treat a tribe as if it were a state of the United States for the purpose of applying Articles 1 and 2.

Terms Used In Illinois Compiled Statutes 750 ILCS 36/104

     (c) A child-custody determination made by a tribe under factual circumstances in substantial conformity with the jurisdictional standards of this Act must be recognized and enforced under Article 3.