Ill. Admin. Code tit. 44, § 2000.2015
b) The Competitive Sealed Proposal method of source selection may be used to procure the following categories (note that the following services, if they are professional or artistic, must be procured pursuant to Section 2000.2035 of this Part):
c) Competitive Sealed Proposals may be used on a case-by-case basis when it is determined by the Procurement Officer that competitive sealed bidding is either not practicable or advantageous.
2) General Discussion
B) The key element in determining whether use of a proposal is advantageous is the need for flexibility. The competitive sealed proposal method differs from competitive sealed bidding in two important ways:
3) When Competitive Sealed Bidding Is Not Practicable. Competitive sealed bidding is not practicable unless the nature of the procurement permits award to a low bidder who agrees by its bid to perform without condition or reservation in accordance with the purchase description, delivery or performance schedule, and all other terms and conditions of the Invitation for Bids. Factors to be considered in determining whether competitive sealed bidding is not practicable include:
4) When Competitive Sealed Bidding Is Not Advantageous. A determination may be made to use competitive sealed proposals if it is determined that it is not advantageous to the State, even though practicable, to use competitive sealed bidding. Factors to be considered in determining whether competitive sealed bidding is not advantageous include:
d) Content of the Request for Proposals
The Request for Proposals shall be prepared in accordance with Section 2000.2010 (Competitive Sealed Bidding), provided that it shall also include:
e) Receipt and Registration of Proposals
f) Evaluation of Proposals
3) Classifying Proposals. For the purpose of conducting discussions, proposals may be initially classified as:
g) Proposal Discussions with Individual Offerors
2) Purposes of Discussions. Discussions are held to:
h) Award
An award shall be made by the Procurement Officer pursuant to a written determination showing the basis on which the award was found to be most advantageous to the State, based on the factors set forth in the Request for Proposals.
i) Publicizing Awards
The successful offeror shall be notified of award and such notification may be in the form of a letter, purchase order or other clear communication. When the award exceeds the small purchase limit set in Section 2000.2020 of this Part, notice of award shall be published in the Bulletin.