Cal. WIC § 5328.6

When any disclosure of information or records is made as authorized by the provisions of Section 11878 or 11879 of the Health and Safety Code, subdivision (a) or (d) of Section 5328, Sections 5328.1, 5328.3, or 5328.4, the physician in charge of the patient or the professional person in charge of the facility shall promptly cause to be entered into the patient’s medical record: the date and circumstances under which such disclosure was made; the names and relationships to the patient if any, of persons or agencies to whom such disclosure was made; and the specific information disclosed.