(1) A tribunal of this state shall apply parts 21-26 of this chapter and, as applicable, part 27 of this chapter, to a support proceeding involving: A foreign support order;
(2) A foreign tribunal; or
(3) An obligee, obligor, or child residing in a foreign country.
(4) A tribunal of this state that is requested to recognize and enforce a support order on the basis of comity may apply the procedural and substantive provisions of parts 21-26 of this chapter.
(5) Part 27 of this chapter applies only to a support proceeding under the Convention. In such a proceeding, if a provision of part 27 of this chapter is inconsistent with parts 21-26 of this chapter, then part 27 of this chapter controls.