At any time after the successful completion of a term of probation, suspension, or revocation of any license, the Department may restore it to the licensee, unless after an investigation and a hearing, the Department determines that restoration is not in the public interest. Where circumstances of suspension or revocation so indicate, the Department may require an examination of the licensee prior to restoring his or her license. No person whose license has been revoked as authorized in this Act may apply for restoration of that license until such time as provided for in the Civil Administrative Code of Illinois.
     A license that has been suspended or revoked shall be considered nonrenewed for purposes of restoration and a person restoring his or her license from suspension or revocation must comply with the requirements for restoration of a nonrenewed license as set forth in Section 16 of this Act and any related rules adopted.