The Illinois Notice Of Petition To Register Foreign Order (Support Or Income Withholding) is a legal document used to enforce a support order issued by a court in a foreign jurisdiction. This document is intended to be used to seek registration of that foreign order in the state of Illinois. There are two types of Illinois Notice Of Petition To Register Foreign Order (Support Or Income Withholding): 1) Notice Of Petition To Register Foreign Support Order — designed for use when registering a foreign support order in the state of Illinois and 2) Notice Of Petition To Register Foreign Income Withholding Order — designed for use when registering a foreign income withholding order in the state of Illinois. The Notice Of Petition To Register Foreign Order (Support Or Income Withholding) is prepared by the petitioner and must be served on the respondent, who must then be given an opportunity to contest the registration of the order. The notice must specify the date, time, and location of the hearing, as well as the court in which the registration is sought. The petitioner must also provide a copy of the foreign order being registered, along with any other evidence supporting the petition.