Cal. Welf. & Inst. Code § 12309.1
(a) As a condition of receiving services under this article, or Section 14132.95 or 14132.952, an applicant for or recipient of services shall obtain a certification from a licensed health care professional, including, but not limited to, a physician, physician assistant, regional center clinician or clinician supervisor, occupational therapist, physical therapist, psychiatrist, psychologist, optometrist, ophthalmologist, or public health nurse, declaring that the applicant or recipient is unable to perform some activities of daily living independently, and that without services to assist the applicant or recipient with activities of daily living, the applicant or recipient is at risk of placement in out-of-home care.
(2) Except as provided in subparagraph (A) or (B), or subdivision (c), the certification shall be received prior to service authorization, and services shall not be authorized in the absence of the certification.
(4) The health care professional’s certification shall include, at a minimum, both of the following:
(e) This section does not apply to a recipient who is receiving services in accordance with this article or Section 14132.95 or 14132.952 on the operative date of this section until the date of the recipient’s first reassessment following the operative date of this section, as provided in subdivision (g).