Illinois Statutes Chapter 750. Families § 28/40. Petitions to contest withholding or to modify, suspend, terminate, or correct income withholding notices

(a) When an obligor files a petition to contest withholding, the court, after due notice to all parties, shall hear the matter as soon as practicable and shall enter an order granting or denying relief, ordering service of an amended income withholding notice, where applicable, or otherwise resolving the matter.

The court shall deny the obligor's petition if the court finds that when the income withholding notice was mailed, sent by facsimile transmission or other electronic means, or placed for personal delivery to or service on the payor:

(b) At any time, an obligor, obligee, public office or Clerk of the Circuit Court may petition the court to:

(c) At any time an obligor may petition the court to correct a term contained in an income withholding notice to conform to that stated in the underlying order for support for:

(d) The obligor, obligee or public office shall serve on the payor, in the manner provided for service of income withholding notices in subsection (g) of Section 20, a copy of any order entered pursuant to this Section that affects the duties of the payor.

(e) At any time, a public office or Clerk of the Circuit Court may serve a notice on the payor to:

(f) The notice provided for under subsection (e) of this Section shall be served on the payor in the manner provided for service of income withholding notices in subsection (g) of Section 20, and a copy shall be provided to the obligor and the obligee.

(g) The income withholding notice shall continue to be binding upon the payor until service of an amended income withholding notice or any order of the court or notice entered or provided for under this Section.