(1) A court of this state shall treat a foreign country as if it were a state of the United States for the purpose of applying this part 1 and part 2 of this article.
(2) Except as otherwise provided in subsection (3) of this section, a child-custody determination made in a foreign country under factual circumstances in substantial conformity with the jurisdictional standards of this article must be recognized and enforced under part 3 of this article.
(3) A court of this state need not apply this article if the child-custody law of a foreign country violates fundamental principles of human rights.