California Code, Government Code - GOV § 8594.5

(a) For purposes of this section, “blue alert” means a quick response system designed to issue and coordinate alerts following an attack upon a law enforcement officer as described in subdivision (b).

(b) In addition to the circumstances described in Section 8594, upon the request of an authorized person at a law enforcement agency that is investigating an offense described in paragraph (1), the California Highway Patrol shall activate the Emergency Alert System and issue a blue alert if all of the following conditions are met:

(c) The blue alert system incorporates a variety of notification resources and developing technologies that may be tailored to the circumstances and geography of the underlying attack. The blue alert system shall utilize the state-controlled Emergency Digital Information System, local digital signs, focused text, or other technologies, as appropriate, in addition to the federal Emergency Alert System, if authorized and under conditions permitted by the federal government.

(d) On or before December 31, 2011, the California Highway Patrol shall augment the department's public Internet Web site to include a blue alert link that describes the “blue alert” process, objectives, and available quick responses. The Internet Web site shall explain that the term blue alert will communicate that a law enforcement officer has been attacked or killed and that the scope of an alert will be tailored to the circumstances of the offense and available technologies.