598B.104  Application to Indian tribes.
  1.  A child-custody proceeding that pertains to an Indian child as defined in the federal Indian Child Welfare Act, 25 U.S.C. §  1901 et seq., is not subject to this chapter to the extent that it is governed by the federal Indian Child Welfare Act.
  2.  A court of this state shall treat a tribe as if it were a state of the United States for the purpose of applying this article and article II.
  3.  A child-custody determination made by a tribe under factual circumstances in substantial conformity with the jurisdictional standards of this chapter must be recognized and enforced under article III.
99 Acts, ch 103, §4