Maryland Family Law Section 10-316
§ 10-316.
  (a)   Upon the filing of a complaint authorized by this subtitle, an initiating tribunal of this State shall forward three copies of the complaint and its accompanying documents:
    (1)   to the responding tribunal or appropriate support enforcement agency in the responding state; or
    (2)   if the identity of the responding tribunal is unknown, to the state information agency of the responding state with a request that they be forwarded to the appropriate tribunal and that receipt be acknowledged.
  (b)   If a responding state has not enacted this subtitle or a law or procedure substantially similar to this subtitle, a tribunal of this State may issue a certificate or other document and make findings required by the law of the responding state. If the responding state is a foreign jurisdiction, the tribunal may specify the amount of support sought and provide other documents necessary to satisfy the requirements of the responding state.