The Administration shall provide child welfare services to a child and the child’s parent or guardian:
(1) to assist in preventing the necessity of placing the child outside of the child’s home;
(2) to reunite the child with the child’s parent or guardian after the child has been placed in foster care; or
(3) if the child has been placed in foster care and cannot return to the child’s parent or guardian, to develop and implement an alternative permanent plan for the child.