225 ILCS 316/125

(a) At any time after the successful completion of a term of probation, suspension, or revocation of a registration under this Act, the Department may restore it to the registrant unless after an investigation and hearing the Department determines that restoration is not in the public interest. (b) Where circumstances of suspension or revocation so indicate, the Department may require an examination of the registrant prior to restoring his or her registration. (c) No person whose registration has been revoked as authorized in this Act may apply for restoration of that registration until such time as provided for in the Civil Administrative Code of Illinois. (d) A registration that has been suspended or revoked shall be considered nonrenewed for purposes of restoration and a person restoring a registration from suspension or revocation must comply with the requirements for restoration as set forth in Section 50 of this Act and any rules adopted pursuant to this Act.