The psychiatric sectors provided for in article L. 3221-4 are called :
1° Adult psychiatric sectors when they mainly meet the mental health needs of a population aged over eighteen ;
2° Child and adolescent psychiatry sectors when they meet the mental health needs of children and adolescents; each child and adolescent psychiatry sector corresponds to a geographical area served by one or more adult psychiatry sectors;
3° Prison psychiatry sectors when they meet the mental health needs of the population incarcerated in establishments within a prison region.