Maryland Code, Election Law § 13-604.3

(1) notify a person that is subject to an investigation under this section of the circumstances that gave rise to the investigation; and

(2) provide the person ample opportunity to be heard at a public meeting of the State Board.

(c)(1) In furtherance of an investigation under this section, the State Administrator or the State Administrator's designee may issue a subpoena for the attendance of a witness to testify or the production of records.

(2) A subpoena issued under this subsection shall be served in accordance with the Maryland Rules.

(3) In order for a subpoena to be issued under this subsection, the State Administrator shall make a finding that the subpoena is necessary to and in furtherance of an investigation being conducted under this section.

(4) Any filing submitted to a court with respect to a subpoena under this subsection shall be sealed on filing.

(5) If a person fails to comply with a subpoena issued under this subsection, on petition of the State Administrator, a circuit court of competent jurisdiction may compel compliance with the subpoena.

(1) impose a civil penalty in the amount and manner specified in § 13-604.1 of this subtitle; or

(2) refer the matter for further investigation by the State Prosecutor if the State Board has reasonable cause to believe that a person has willfully and knowingly violated § 13-238 or § 13-250 of this title.