Cal. Health & Safety Code § 1261.1
(a)
(1) A general acute care hospital, as defined in subdivision (a) of Section 1250, shall allow a patient with physical, intellectual, or developmental disabilities, a patient with cognitive impairment, including dementia, and a patient with another disability, as necessary to allow the patient to fully and equally benefit from any goods, services, or facilities offered by the hospital, to have a family or friend caregiver with them as needed, including outside standard visiting hours, unless any of the following conditions apply: