(1) "Board" means the Board of Human Services.
(2) "Commissioner" means the commissioner of human services.
(3) "County board" means a county or district board of family and children services.
(4) "County department" means a county or district department of family and children services.
(5) "County director" means the director of a county or district department of family and children services.
(6) "Department" means the Department of Human Services.