§ 849-l. Appointment. A person employed by, or volunteering for, a court-appointed special advocate (CASA) program shall not be eligible for appointment by a family court to assist such court unless such program is in compliance with the rules and regulations of the chief administrator of the courts adopted pursuant to paragraph (w) of subdivision two of section two hundred twelve of this chapter, and such program has been approved by the chief administrator. Such person or volunteer so appointed shall only exercise the functions and duties specifically authorized by the court.