(1) 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 chapter to the extent that it is governed by the Indian Child Welfare Act.
(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 part 3 of this chapter.