Cal. Health & Safety Code § 1580.1
(a) An entity providing adult day health care as part of a Program of All-Inclusive Care for the Elderly (PACE) organization, as defined in Section 460.6 of Title 42 of the Code of Federal Regulations and approved by the State Department of Health Care Services pursuant to Section 14592 of the Welfare and Institutions Code, that exclusively serves PACE participants, as defined in Section 460.6 of Title 42 of the Code of Federal Regulations, is exempt from licensure by the State Department of Public Health.