Md. Code, Transportation § 21–1201

(a) The parent of any minor or the guardian of any ward may not authorize the minor or ward to violate any provision of this subtitle.

(b) The parent of any minor or the guardian of any ward may not knowingly permit the minor or ward to violate any provision of this subtitle.

(c) With the exceptions stated in this subtitle, the provisions of this subtitle that are applicable to bicycles apply whenever a bicycle, an EPAMD, a motor scooter, or a personal delivery device, as defined in § 21–104.5 of this title, is operated on any highway or whenever a bicycle or an EPAMD is operated on any path set aside for the exclusive use of bicycles.