Cal. Lab. Code § 3600.6
Disaster service workers registered by a disaster council while performing services under the general direction of the disaster council shall be entitled to all of the same benefits of this division as any other injured employee, except as provided by Chapter 10 (commencing with Section 4351) of Part 1. For purposes of this section, an unregistered person impressed into performing service as a disaster service worker during a state of war emergency, a state of emergency, or a local emergency by a person having authority to command the aid of citizens in the execution of his or her duties shall also be deemed a disaster service worker and shall be entitled to the same benefits of this division as any other disaster service worker.
Ca. Lab. Code § 3600.6