Md. Code, Family Law § 10–312.1

A tribunal of this State exercising personal jurisdiction over a nonresident in a proceeding under this subtitle, under other law of this State relating to a support order, or recognizing a foreign support order may receive evidence from outside this State pursuant to § 10–328 of this subtitle, communicate with a tribunal outside this State pursuant to § 10–329 of this subtitle, and obtain discovery through a tribunal outside this State pursuant to § 10–330 of this subtitle. In all other respects, the provisions of Parts III through VI of this subtitle do not apply, and the tribunal shall apply the procedural and substantive law of this State.