Ill. Admin. Code tit. 44, § 650.40
a) The application for prequalification is available on the Department's website at http://www.idot.illinois.gov/doingbusiness/procurements/constructionservices/
index or by writing or calling:
Illinois Department of Transportation
Bureau of Construction, Prequalification Section
2300 South Dirksen Parkway, Room 322
Springfield, Illinois 62764
217/782-3413
c) An application for prequalification shall consist of the following information:
d) Submission of a completed application before the cut-off dates is the sole responsibility of the applicant. Cut-off dates are established based on the date of the letting and whether the applicant is a first-time applicant or an applicant seeking to renew its prequalification ratings (see Section 650.50(a) and (b) for additional information). A schedule of cut-off dates is available at http://www.idot.illinois.gov/doingbusiness/procurements/construction
services/constructionbulletins/transportationbulletin/index.
(Source: Amended at 40 Ill. Reg. 7170, effective April 25, 2016)