Ill. Admin. Code tit. 44 § 930.215
Solicitation for procurement of services of architects/engineers, or related professionals, shall be in accordance with the Architectural, Engineering, and Land Surveying Qualifications Based Selection Act [ 30 ILCS 535 ] and CDB's rules titled Selection of Architects/Engineers (44 Ill. Adm. Code 1000), with the following modification to that Part:
For purposes of this Part, Section 1000.160 regarding interviews shall not apply. Instead, the following shall apply:
CDB requires the selection committee to conduct interviews when the estimated value of the basic services fee exceeds $300,000. The Executive Director may choose to conduct interviews for smaller projects under special circumstances. A minimum of three firms will be interviewed, unless fewer than three qualified firms submit statements of qualifications for a specific project. The Executive Director may exempt any contract from requiring interviews.
Ill. Admin. Code tit. 44, § 930.215