California Code, Welfare and Institutions Code - WIC § 15703

(a) When, from personal observation, an authorized state or local law enforcement officer or designated employee of a county department of social services or mental health determines that an adult is an endangered adult, and no other option is available to mitigate the circumstances of that adult, the person may take the endangered adult into temporary emergency protective custody, and initiate adult protective proceedings.

(b) When an authorized person takes an endangered adult into temporary emergency protective custody and initiates adult protective proceedings, the person shall cause the endangered adult to be transported to a hospital as soon as possible if medical evaluation and any necessary treatment is required.

(c) Upon taking an endangered adult into custody pursuant to this chapter, the law enforcement agency taking the endangered adult into custody shall notify:

(d) This article shall not apply to state-licensed facilities.