(1) Under the person-centered service plan, the parent or legal guardian retains legal custody for the child's placement and care. The service plan must be signed by the child's parent or legal guardian and the department to be in effect.

(2) The parent or legal guardian may terminate services at any time. Upon termination of services, the child's parent or legal guardian retains legal custody for the child's placement and care unless the child has been taken into custody by the department of children, youth, and families, pursuant to RCW 13.34.050 or 26.44.050, placed in shelter care pursuant to RCW 13.34.060, or placed in foster care pursuant to RCW 13.34.130.

(3) The department of social and health services must adopt rules for the person-centered service plan.

(4) For purposes of this section, "person-centered service plan" means a written plan between the department and a child's parent or legal guardian approving services for the child in a licensed or certified setting.