Md. Code, Local Gov't § 11-306

(a) (1) If a law enforcement officer reasonably believes that a minor is in a public place or on the premises of an establishment in violation of a juvenile curfew ordinance, the officer shall: (i) notify the minor that the minor is in violation of the juvenile curfew ordinance; (ii) require the minor to tell the officer the minor’s name, address, telephone number, and where to contact the minor’s parent or guardian; (iii) issue the minor a written warning that the minor is in violation of the juvenile curfew ordinance; and (iv) order the minor to promptly go home. (2) The law enforcement officer may take the minor: (i) to the minor’s home, if appropriate; or (ii) into custody and transport the minor to a local law enforcement station or designated curfew center when: 1. the minor has received one previous written warning for a violation of a juvenile curfew ordinance; 2. the law enforcement officer has reasonable grounds to believe that the minor has committed a delinquent act, as defined in § 3–8A–01 of the Courts Article; or 3. taking the minor into custody is authorized under § 3–8A–14 of the Courts Article. (3) A law enforcement officer may issue a civil citation for a violation of a juvenile curfew ordinance to: (i) a minor; (ii) a parent or guardian of a minor; or (iii) an owner, operator, or employee of an establishment. (b) The law enforcement agency shall send written notice of the violation of the juvenile curfew ordinance to the minor’s parent or guardian.