(a) A tribunal of Georgia shall apply Parts 1 through 6 and, as applicable, Part 7 of this article to a support proceeding involving:
(1) A foreign support order;
(2) A foreign tribunal; or
(3) An obligee, obligor, or child residing in a foreign country.
(b) A tribunal of Georgia that is requested to recognize and enforce a support order on the basis of comity may apply the procedural and substantive provisions of Parts 1 through 6 of this article.
(c) Part 7 of this article applies only to a support proceeding under the convention. In such a proceeding, if a provision of Part 7 of this article is inconsistent with Parts 1 through 6 of this article, Part 7 of this article controls.