Md. Code, Land Use § 17-210

(a) If a park police officer apprehends a person for violating any law punishable as a misdemeanor under § 17–209 of this subtitle, the officer may prepare and sign a written citation.

(b) A citation issued under subsection (a) of this section shall include:

(1) a notice to appear in court;

(2) the name and address of the person charged;

(3) appropriate license numbers, if any;

(4) the violation charged;

(5) the time and place the person shall appear in court; and

(6) other pertinent information the Commission requires.

(c) (1) A person charged under subsection (a) of this section may give a written promise to appear in court by signing the citation prepared by the officer.

(2) An officer shall arrest a person charged under subsection (a) of this section if:�

(i) the person does not furnish satisfactory identification;

(ii) the officer has reasonable grounds to believe the person will disregard a written promise to appear; or

(iii) the person refuses to sign a written promise to appear.

(d) A person shall comply with the written promise to appear in court unless the person:

(1) posts sufficient collateral for the violation;

(2) pays the fine in advance of trial; or

(3) is represented by counsel in court.

(e) (1) If a person fails to comply with the notice to appear in a citation issued under this section, the court may:

(i) except as provided in paragraph (4) of this subsection, issue a warrant for the person’s arrest; or

(ii) after 5 days, notify the court clerk of the person’s noncompliance.

(2) On receipt of notice of noncompliance from the court, the clerk shall notify the person by mail at the address indicated on the citation that the court may issue a warrant for the person’s arrest unless, within 15 days after the notice is mailed, the person:

(i) pays the fine on the charge as provided for in the original citation and an additional fine of $100 for failing to appear; or

(ii) posts bond or a penalty deposit and requests a new trial date.

(3) If a person fails to pay the fines or post the bond or penalty deposit under paragraph (2) of this subsection, the court may issue a warrant for the person’s arrest.

(4) If the original violation is not punishable by imprisonment, the court may not issue a warrant for the person’s arrest under this subsection for at least 20 days after the original trial date.