Ill. Admin. Code tit. 11, § 1900.510
b) The Board shall not grant a license to any applicant if that person has been found by the Board to:
1) Have a background, including a criminal record, reputation, habits, social or business associations, or prior activities that:
c) In addition to the qualifications required in the Act and this Part, the Board may deny a license to an applicant if the applicant, or a key person of the applicant:
1) Associates with, either socially or in business affairs, or employs a person: