Cal. Welf. & Inst. Code § 4516

When any disclosure of information or records is made as authorized by the provisions of subdivision (a), (d), or (q) of Section 4514 or Section 4514.5, the physician in charge of the person with a developmental disability or the professional in charge of the facility shall promptly cause to be entered into the person’s medical record the date and circumstances under which such disclosure was made, the names and relationships to the person, if any, of individuals or agencies to whom such disclosure was made, and the specific information disclosed.