Md. Code, Family Law § 10–303.1

(a) A tribunal of this State shall apply Parts I through VI of this subtitle and, as applicable, Part VII, 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 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 I through VI of this subtitle.

(c) Part VII of this subtitle applies only to a support proceeding under the Convention. In such a proceeding, if a provision of Part VII is inconsistent with Parts I through VI, Part VII controls.