Cal. Gov't Code § 53122
(a) For purposes of this section, the following definitions apply:
(b)
(1)
(c)
(1) Upon the adoption of regulations pursuant to subparagraph (A) of paragraph (1) of subdivision (b), all providers of telecommunications service that provide access to 911 service shall notify the office whenever a community isolation outage occurs that limits their customers’ ability to make 911 calls or receive emergency notifications. The community isolation outage notification shall be provided within 60 minutes of discovery of the outage by the provider, and the office shall be responsible for notifying any applicable county office of emergency services, the sheriff of any county, and any public safety answering point affected by the outage. The community isolation outage notification to the office shall be by a medium specified by the office, and shall include the telecommunications service provider’s contact name and calling number, a description of the estimated area affected by the outage, and the approximate communities, including cities, counties, and regions, affected by the outage. The telecommunications service provider shall also notify the office by a medium specified by the office of both of the following: