Every person responsible for any premises is required to maintain, manage, and supervise the premises and all persons on or in the premises in a manner so as not to violate the provisions of this subtitle. A person responsible for any premises remains liable for a neighborhood nuisance or an unruly social event even if that person was not present during the nuisance activity or the social event. An owner or operator of the premises remains liable for violating this subtitle regardless of any contract or agreement with any third party regarding the premises. In this subsection, the following terms have the meanings indicated. “Juvenile” means any individual who is under the age of 18. “Parent” means any natural parent, adoptive parent, step-parent, or foster parent. If the person responsible for the premises on or in which a neighborhood nuisance or an unruly social event occurs is a juvenile, then the juvenile and the parents or legal guardians of the juvenile are jointly and severally liable for the civil penalties imposed by this subtitle. Ord. 15-389