(a) 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 articles 2 and 3 of this act.
(b) Except as otherwise provided in subsection (c) of this section, a child custody determination made in a foreign country under factual circumstances in substantial conformity with the jurisdictional standards of this act shall be recognized and enforced under article 4 of this act.
(c) A court of this state may not apply this act if the child custody law of a foreign country violates fundamental principles of human rights.