Ill. Admin. Code tit. 68, § 1252.100
b) Any person seeking restoration of a license that has been expired or placed on inactive status for more than 5 years shall file an application, on forms provided by the Department, for review by the Board, together with the fee required by Section 1252.80. The applicant shall also submit either:
4) Other evidence of continued competence in geology. Other evidence shall include, but not be limited to:
c) When the accuracy of any submitted documentation or the relevance or sufficiency of the course work or experience is questioned by the Department or the Board because of a lack of information, discrepancies or conflicts in information given, or a need for clarification, the registrant seeking restoration shall be requested to: