Ill. Admin. Code tit. 44, § 2600.300
1) The Invitation for Bids or the Request for Proposals may require that vendors submit, by a certain time and date, a notice of their intent to submit a bid or proposal in response to the IFB or RFP. Bids and proposals submitted without complying with the notice of intent requirement may be rejected. There shall be a minimum of 14 days between the Invitation for Bids or Request for Proposals and the close of the bidding process unless the Procurement Officer deems that an immediate procurement is necessary.
c) Assignment, Novation or Change of Name