The administrator shall ensure that all personnel: Receive orientation and have experience sufficient to demonstrate competency to perform assigned patient care duties; Are licensed or certified by an appropriate occupational licensing board to practice in this State, if required by law; and Perform or delegate duties and responsibilities in accordance with standards of practice as defined by the Health Occupations Article, Annotated Code of Maryland. The administrator shall have a sufficient number of qualified professional staff on duty at all times to ensure safe operation and maintenance of the facility. The facility shall have job descriptions on file for all personnel. The administrator shall ensure that all personnel are free from active reportable airborne communicable disease as evidenced by a physician's or other qualified health care practitioner's statement.