730 ILCS 5/3-9-6
Whenever a person committed to the Department of Juvenile Justice absconds or absents himself or herself without authority to do so, from any facility or program to which he or she is assigned, he or she may be held in custody for return to the proper correctional official by the authorities or whomsoever directed, when an order is certified by the Director of Juvenile Justice or a person duly designated by the Director, with the seal of the Department of Juvenile Justice attached. The person so designated by the Director of Juvenile Justice with such seal attached may be one or more persons and the appointment shall be made as a ministerial one with no recordation or notice necessary as to the designated appointees. The order shall be directed to all sheriffs, coroners, police officers, keepers or custodians of jails or other detention facilities whether in or out of the State of Illinois, or to any particular person named in the order.
730 ILCS 5/3-9-6