Md. Code, Transportation § 26–409

(a) The form of traffic citation provided for under § 1–605 of the Courts Article is a sufficient charging document for the prosecution of any offense for which a traffic citation may be issued under this title if:

(1) It includes the information required under the laws of this State;

(2) It is executed by the police officer issuing the citation as required under § 1–605 of the Courts Article; and

(3) It is filed with the District Court as required under § 1–605 of the Courts Article.

(b) The trial court may try a case for which a charge is made under this title only on:

(1) A traffic citation that meets the requirements of a charging document under subsection (a) of this section;

(2) A warrant, information, or indictment; or

(3) Any other charging document authorized by a rule adopted by the Supreme Court of Maryland with the concurrence of the Administration.