35 Ill. Adm. Code 681.610
Change in Classification
Section 681.610 Change in
Classification
An applicant for reciprocity
whose accrued experience entitles admission to a higher level of Illinois
certification, but whose previous classification and examination entitles the
applicant to a lower level of reciprocal certification, will receive reciprocal
certification at the lower level unless the applicant passes the Illinois water
supply operator examination for the higher classification.