Sec. 4. If:
(1) a child is referred to a probate court;
(2) the juvenile court initiates a commitment proceeding; or
(3) the court transfers a commitment proceeding under IC 12-26-1-4;
the juvenile court shall discharge the child or continue the court's proceedings under the juvenile law. However, if the child is under the custody or supervision of the department, the juvenile court may not release the department from the obligations of the department to the child pending the outcome of the proceeding under IC 12-26.