An individual appointed as a campus police officer or a member of an auxiliary police force shall exercise his powers only as long as he remains employed or activated by the institution named in the order of the appointment. The appointment order entered by the circuit court shall automatically be revoked upon the termination of the employment of the officer or member at the institution and may be revoked by the court for malfeasance, misfeasance, or nonfeasance. The institution shall notify the court upon termination of the employment of the officer or member at the institution.