(a) The interdisciplinary treatment team shall be composed of those persons who work directly with the patient in each of the professions, disciplines or service areas that provide service to the patient, including direct treatment staff, the patient's attending or consulting psychiatrist, the clinical psychologist, the licensed nurse or the psychiatric technician, the clinical director, or the clinical director's designee and any other persons whose participation is relevant to the treatment and care of the patient. The interdisciplinary treatment team shall be chaired by the admitting practitioner for each patient.

(b) The interdisciplinary treatment team shall be responsible for the development and implementation of the patient's individual treatment plan in consultation with the patient and members of the patient's family pursuant to Welfare and Institutions Code, Section 5328.