The persons and agencies signing a written agreement to form a county interdisciplinary child information team may, from time to time, by majority vote, allow the following persons to sign the written agreement and join the team: (1) Any physician, psychologist, psychiatrist, nurse, or other provider of medical and mental health care; (2) Any administrator of any private elementary and secondary school; (3) Any attorney practicing law in the county; and (4) Any responsible person that has a legitimate interest in one or more of the children that the team is serving. Source: SL 2005, ch 143 , § 2.