(a) If, after a written notice is issued pursuant to § 10-302, a subsequent police response or responses is necessary to the same location or address within 24 hours of the first response, such response or responses shall be deemed a special security assignment. Persons previously warned shall be jointly and severally liable for a police services fee as defined in this article.
(b) The amount of the fee shall be a debt owed to the city by the person or person warned, and if he or she is a minor, his or her parents or guardians shall be jointly and severally liable for the debt.