No licensee shall be cited for any violation caused by any person licensed pursuant to the Medical Practice Act (Chapter 5 (commencing with Section 2000) of Division 2 of the Business and Professions Code) if the person is independent of, and not connected with, the licensee and the licensee shows that he or she has exercised reasonable care and diligence in notifying these persons of their duty to the patients in the licensee’s long-term health care facility.