Maryland Code, Local Government § 11-205

(a)(1) To elect to stand trial for a civil infraction, the defendant shall provide notice of intention to stand trial to the county at least 5 days before the payment date specified in the citation.

(2) After receiving the notice of intention to stand trial, the county shall forward a copy of the citation to the District Court having venue.

(3) After receiving the citation, the District Court shall:

(b)(1) The county shall send a formal notice of the civil infraction to the defendant's last known address if a defendant:

(2) If the citation has not been satisfied within 15 days after the date of the notice, the county shall assess an additional fine not exceeding twice the original fine.

(3) If the citation has not been satisfied within 35 days after the date of the notice, the county may request adjudication of the case in the District Court.

(4) After receiving a request from the county, the District Court shall promptly:

(5) A defendant's failure to respond to a summons issued under paragraph (4) of this subsection is contempt of court.