625 ILCS 5/7-705
The Secretary of State, prior to suspending a driver's license under this Chapter, shall serve written notice upon a person that the individual's driver's license will be suspended in 60 days from the date on the notice unless (i) the person satisfies the court order of support or the court ordered visitation and the circuit clerk notifies the Secretary of State of this compliance or (ii) if the Illinois Department of Healthcare and Family Services has made a certification to the Secretary of State under subsection (c) of Section 7-702, the Department notifies the Secretary of State that the person licensed has paid the support delinquency in full or has arranged for payment of the delinquency and current support obligation in a manner satisfactory to the Department.
625 ILCS 5/7-705