Maryland Family Law Section 10-108.6
§ 10-108.6.
  (a)   In order to establish, modify, or enforce a duty of support, the Administration may issue subpoenas to compel the production of documents and other tangible items.
  (b)   A subpoena issued under subsection (a) of this section shall:
    (1)   specify the name and address of the person to be subpoenaed;
    (2)   describe the items to be produced with particularity; and
    (3)   include a return date for the subpoena.
  (c)   The Administration may serve a subpoena by:
    (1)   hand delivery; or
    (2)   certified mail.
  (d)   If a person fails to comply with a subpoena issued by the Administration, the Administration may:
    (1)   reissue the subpoena;
    (2)   exercise the Administration's authority under § 10-119.3 of this subtitle to suspend any license held by the person; or
    (3)   apply, upon affidavit, to any judge of a circuit court for an order requiring the person to obey the subpoena.
  (e)   If a person knowingly fails or refuses to obey a court order to comply with a subpoena issued under this section, the court may compel compliance with the administrative subpoena in any manner available to the court to enforce its own order or subpoena.