A. "Disturbance calls" mean those responses by the police department to occurrences on private property that constitute a disturbance as determined by a police officer at the scene.

B. "Disturbance" means a threat to public peace, health, safety and welfare, including but not limited to the following violations of the California Penal Code: disturbing the peace (Penal Code Section 415), brandishing a weapon (Penal Code Section 417), assault (Penal Code Section 240), battery (Penal Code Section 242), assault with a deadly weapon (Penal Code Section 245), riot (Penal Code Section 404), rout (Penal Code Section 406), and unlawful assembly (Penal Code Section 407).

C. "Police services" means and includes the salaries of the police officers for the amount of time actually spent in responding to, or in remaining at the scene of the disturbance, at a rate established by resolution of the city council; the actual cost of any medical treatment for injured officers; and the cost of repairing any damaged city equipment or property.

D. "Person responsible" or "responsible person" means the person who owns, rents, leases, or otherwise operates or controls the commercial establishment where a disturbance is occurring.

E. "Commercial establishment" means those establishments open to the public where people gather to eat, drink beverages, or seek entertainment, including but not limited to bars, restaurants, gaming establishments, and concert halls.