In this subchapter:
(1) "Commission" means the Health and Human Services Commission.
(1-a) "Department" means the Department of Family and Protective Services.
(1-b) "Relinquishment avoidance program" means the Health and Human Services Commission's program that provides mental health services to a child with a severe emotional disturbance without the child entering the managing conservatorship of the department.
(2) "Severe emotional disturbance" has the meaning assigned by Section 261.001.