The owner or lessee of an alarm system or systems shall provide the chief of police with his current mailing address and the names, addresses and phone numbers of two persons to call in the event of an emergency. In the event his own mailing address or the names, addresses and phone numbers of such persons change, the owner or lessee shall supply the changes to the chief of police within five days of the change. Such person(s) listed shall be required to be present at the alarm location within 15 minutes after being advised that the police or fire department have received any signal or message of alarm activation. (Ord. No. 1390, § 5.)