Ill. Admin. Code tit. 68, § 1252.60
a) An applicant who is licensed/registered under the laws of another jurisdiction and who wishes to be licensed in Illinois as a professional geologist shall file an application with the Department, on forms provided by the Department, which includes:
1) Proof of Education and Experience
5) Certification, on forms provided by the Department, from the jurisdiction in which the applicant was originally licensed and the state in which the applicant predominantly practices and is currently registered/licensed, if applicable, stating:
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 applicant seeking licensure by endorsement shall be requested to: