The city council does hereby authorize the city manager, at his or her discretion, to send the regularly employed law enforcement officers to assist any other county or municipality when the mayor, or other officer authorized to declare a state of civil emergency, requests this assistance, and there exists in such other county or municipality [a need for the services of additional law enforcement officers to protect the health, life, and property of such other county or municipality], its inhabitants, and the visitors thereto, by reason of riot, unlawful assembly characterized by the use of force and violence, or threat thereof by three (3) or more persons acting together or without lawful authority, or during time of natural disaster or man-made calamity.
(2004 Code, sec. 1.06.001)