Reestablishes the children's mental health work group to: (1) Identify barriers to and opportunities for accessing mental health services for children and families; and

(2) Advise the legislature on statewide mental health services for this population.

Provides a December 30, 2020, expiration date for the work group.

Expands the duties and responsibilities of the following: (1) The state health care authority;

(2) The department of social and health services;

(3) Behavioral health organizations;

(4) Regional service areas;

(5) The department of children, youth, and families;

(6) The child and adolescent psychiatry residency program at the University of Washington; and

(7) The office of the superintendent of public instruction.